Do Latex Inner Tubes Puncture More Easily? | GCN Tech Clinic

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Do latex inner tubes puncture more often and can you patch them? How do you get the perfect fit with your bib shorts? Is an aero road bike faster than a traditional road bike with clip on aero bars? How do I know if my carbon frame is cracked or not? Join Ollie as he answers all these and more on the GCN Tech clinic!
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Опубликовано:

8 июл 2024

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Комментарии : 269

@gcntech 3 года назад

Do you have any burning tech questions? Let us know in the comments using #AskGCNTech

@abedfo88 3 года назад

are latex tubes worth it for general summer riding?

@mathewrose2951 3 года назад

Perhaps a stupid follow up on the 11-34 cassette question. If I have an 11-28 and I want to run an 11-34 for some rides where it is 22-28% for significant portions, do I need to change to a longer chain?

@abedfo88 3 года назад

@@mathewrose2951 yes

@nickmannerings3574 3 года назад

@@abedfo88 yes - definitely - latex are worth it.

@alenperklic4741 3 года назад

#askgcntech Hello guys. I have a cheap 8 speed microshift rear derailleur. I wanna change that to an 105 or ultegra 11 speed. I know I need some new wheels with a shimano 11 speed freehub. I am surrounded by mountains so I'm thinking of an 11-32 cassette, but now the question, do I need to buy new levers, or can I use these (8 speed) hand levers that were originally on the bike? Tnx and cheers.

@NormAusSmith 3 года назад

Hi GCN Tech. You should also note that you cannot use a C02 inflator on a latex tube. The cold air from the C02 cartridge makes them "brittle" and they'll most likely blow within a few Klms. I had several frustrating experiences before the penny dropped. I now run latex tubes, but my spares are always butyl or tubolitos. I just change back to a new latex tube once I'm home.

@motombocolombo 3 года назад

How about the glue....same as with butyl?

@NormAusSmith 3 года назад

@@motombocolombo hi, no, not the same glue. Most bike shops will sell latex specific glue and patches. I've personally not had great success with patching them, so I just replace the tube.

@motombocolombo 3 года назад

@@NormAusSmith Thank you very much for the answer :-)

@insquares 3 года назад

@@motombocolombo I've had no problem patching Vittoria latex tubes with glue and patches made for butyl tubes. I'm not sure about other brands of latex tubes. When I first used latex tubes many years ago (unsure of the brand), regular glue and patches wouldn't permanently stick.

@motombocolombo 3 года назад

@@insquares Interesting. I thank you very much as well :-)

@doernerrr 9 месяцев назад

I switched to latex inner tubes and they do feel both faster and more compliant, however they do not hold air pressure very well at all. If you go with latex be prepared to pump up your tires every ride because it will absolutely be required.

@wspmjw 3 года назад

Tannus tires are exceptionally good winter training tires. The rolling resistance makes you really strong come spring/summer riding season.

@MrBJPitt 3 года назад

Or you could just ride to time/stress score not distance....

@williamtetrault1300 2 года назад

Been using latex tubes in preference to butyl tubes for years now. I have noticed a drastic improvement in longevity AND ride quality if I coat the tube, before using it, with talcum powder. Coat the inside of the tire with talcum powder as well. Really helps!

@NeoPayneHK 3 года назад

8:08 from my experience if you want to install a new tyre with latex tube (or a old latex tube which they usualy expanded) go get a butyl inner tube to install with the new tyre first, pump up to max and let them sit a few days trust me , it works so so well. even install with a old latex tube

@cudz09o 3 года назад

I run vittoria latex tubes with gp5000 clincher tyres....beautiful combination. Had a few problems fitting until I replaced the rim tape on my wheels with tubeless tape and have had no issues since

@fredhubbard7210 2 года назад

Thanks. I have the same combo and flatted out in a TT tonight. The rim tape suggestion is what they suggest on the Silca RU-vid as well. Cheers.

@paddychamp6069 3 года назад

I run some VERY light latex tubes (60g challenge brand) and haven't had any punctures so far, but much better ride quality and overall comfort and feel. The downside is that they can't reliably take pressures over roughly 100PSI without splitting open randomly, but heavier tubes like the vittorias (~70g) seem to do fine. It's one of the cheapest cost to watt gains I know of and makes your bike feel noticeably more comfortable and faster, would definitely recommend them.

@AzzuanToha 3 года назад

Been using Vittoria pink latex tube for 4 months now. One puncture on front tire, two on rear. Punctures are really bad one. Run into huge potholes that the tires are torned. Tires are unusable, changed to new pairs. However the tubes (which are also torned) are patched using extra Vittoria latex tube. Been running for 2 months now. Patch works very good! Last week got the second puncture on rear wheel. Puncture is at new spot, the previously patched spot has no leak at all.

@LL-wc1oq 3 года назад

Re: Solid tyres: I ride solid tyres for nearly three years for my commute bike from East London to Central London (about 1 hour ride each way). The ride is hard, harsh and bumpy. There are days I absolutely despise the ride but they always got me to work and home. Have not stop once to fix a puncture so it is a tolerable trade off for me. I would recommend solid tyres for commuter bike only, not your weekend / best ride.

@amfinc2 3 года назад

Ahhh the "BRP".... "butt-rub point"

@martinzahradnicek7668 3 года назад

Had continentals with latex tubes. Both got punctured (beyond repair) in first two months. Now I have cheap tires with butyl tubes. Haven't had puncture since. It may be a bit slower, but IMO worth for training a leisure.

@10ktube Год назад

I rode Tannus tires for a couple months as a test. They were 7 percent slower in terms of power output needed to go same speed. Rode many of my normal roads, had many years of data, and switched wheels day to day just to confirm, and it was 7 percent. Felt terrible, didn't slip or anything, traction was fine, but bumps, forget about it. It was awesome not carrying pump/tubes/patches on long rides though.

@johnbuxton3841 3 года назад

As I have recently fitted the new selle italia saddle as described, due to the lack of padding the seat height needed to be raised !cm.

@mattomann1093 3 года назад

If you go from a 28t cassette to 34, make sure to check that your derailleur and chain have the capacity as well! Usually the cutoff is 32 before (shimano at least) you need a longer cage

@MrBJPitt 3 года назад

105 takes 11-34. But yes, chain will likely need to lengthened or better, new chain.

@LOZUPONEJ 3 года назад

Vittoria latex tubes have been great for me. I’m heavy so low pressures isn’t much of an option for me to get better suppleness. Highly recommend

@motombocolombo 3 года назад

Do you know, what type of glue works best when repairing latex tubes? Or can you just use the same as with regular tubes?

@philipallen4230 3 года назад

@@motombocolombo I wouldn't use glue, i use Lezyne glueless patches and they work amazing on Latex tubes

@insquares 3 года назад

@@motombocolombo It may depend on the brand of latex tubes. For Vittoria latex tubes I use the same glue and patches I use with butyl tubes. I haven't tried patching with regular tube glue and a piece of latex tube.

@meadandmilk 3 года назад

@@motombocolombo I've found regular adhesive from a puncture repair kit to be even more effective on latex than butyl.

@neil7769 3 года назад

Well explained on the saddle position question! The problem I have though is setting identical saddle height with different brands of saddle. If the top surface of the saddle isn't flat and the profile varies between the saddles, what point do you measure to? A lot of people just take a point somewhere in the middle, but common sense migh dictate that the back of the saddle, where your sit bones are making contact, would be best. But where exactly? The height of the saddle can often vary dramatically in different places towards the rear..

@gerryfrancis3350 3 года назад

these are such good useful videos

@itarry4 3 года назад

Nail varnish is great for covering chips on a non matt bike.

@richardggeorge 3 года назад

I used it for my scuffed up matt bike too 🤷‍♂️

@trevorhayes5414 3 года назад

usually get a few funny looks when you wheel your bike up to the cosmetics counter and start matching!

@junsuki 3 года назад

I think you forget to highlight for cassettes have to see your rear dee can fit in 11-34 as not too sure the person have long or short cage

@MrBJPitt 3 года назад

105 takes 11-34 easy.

@JanosZakarias 3 года назад

@@MrBJPitt yeah, the long cage 105 can fit it. but the short cage can't (at least the 5800 one).

@KoenMiseur 3 года назад

@Ollie, the 105 could be a short cage derailleur (there are 2 versions) so he should make sure it would fit! (it will probably fit on a Short Cage but it's not in Shimano's spec)

@FoolOfATuque 3 года назад

Yeah, I put a 11-34 on my wife’s bike and we ended up upgrading the derailleurs to medium cage Ultegra from her short cage 105.

@richaw2779 3 года назад

Nice one Ollie!

@kirtinehe2712 3 года назад

#AskGCNtech tumi aamchya sathi khup masta ani informative content 👌👍 aantaat tya baadal dhanyavad aamchya kade ithe bhartat people la 100 euros peksha jasta spent karaylla nako nako kartat khop chindi paana ahe ikde. Aamhi saagle mhanje barach jannanla tuchya dvara anleli content khop aavadtat. Dhanyavad thank you #loveGCN&GMBN

@kenwebster5053 3 года назад

I cut patches from disposable latex gloves and place one on top of the other. The deal is that they stretch with the tube, so do not inhibit the tube from stretching as normal patches do. This relieves stress from the tube preventing further ruptures alongside the patch. This has proved more than adequate for thorn punctures (which are numerous here) over many years of cycling. Yes, slime is good but doesn't always work. Note: do not put liquid glue on the latex patch as this will cause it to wrinkle and become unmanageable. Apply glue to the tube only and wait for it to set off to a contact state, then firmly press the thin (dry) latex patch onto the tacky contact cement. Repeat with a 2nd layer of latex to protect the patch from abrasion, or just use thicker latex in the 1st place. These patches are reliable for the life of the tube. I would not use them for larger cuts but for thorn pricks this is awesome. Sceptical? I don't blame you, just try it and see.

@tombladon8064 3 года назад

Interesting, I always thought the short nose saddles were to get around the UCI rule on minimum saddle setback. The short nose allowing the place where you sit to be further forward toward the bottom bracket.

@matteo.ceriotti 3 года назад

Could be, but apart from professionals racing, if having the saddle further forward is what you want, then can do that without the need of a short-nose saddle.

@tombladon8064 3 года назад

I agree, I tried that and ran into Problems when get out of the saddle. The nose of the saddle gets dangerously close to your arse.

@richardggeorge 3 года назад

#askgcntech can you make a video showing: 1. Patching inside of tubeless tyre 2. Patching latex tube with standard butyl patch and also piece of spare latex tube

@TheGroupRide 3 года назад

Been patching latex with pieces of latex for years. Caveat; after a latex tube has been inflated and deflated a few times it starts to get too big to be used again because it will fold back on itself.

@13ig13oots 3 года назад

Question for Ollie. Does stubble add to wind resistance?

@Choedron 3 года назад

Several reviews, by road bike riders, state that Tannus tires are a little harder to ride, but not that much difference in rolling resistance. And one could use the Armour instead.

@markstone5390 3 года назад

Can Ollies quiff can any longer or bigger. He might have to change his hair style soon. The film Something about Mary comes to mind. 🤔😂

@tomreingold4024 3 года назад

I love Ollie’s haircut. If I still had hair, I would like one like that.

@MaxMustermannnnnn 3 года назад

Ollie has the same haircut as Sonic the hedgehog. We all know that it must be fast 😂

@MrGaryPeace 3 года назад

Recently switched from a 105 standard chainring and 11/28 to a compact with 11/34 and whilst it kinda worked with a short cage derailleur, it works a damn sight better now that I've put a long cage one on. Do yourself a favour and switch the derailleur at the same time

@mattproctor9470 3 года назад

Hi! I do a lot of indoor turbo workouts (using the gcn training videos, which are great!). How often should I lube my chain? And should I use dry lube? Thanks! #AskGCNTech

@matt_acton-varian 3 года назад

R. E. Michael Kelly - you may need to check your rear Derailleur compatibility. The current 105 (R7000) groupset is compatible with 34 tooth on medium cage (RD-7000GS) but only 32 on the short cage (RD-7000SS). To use 34 you may need to buy longer cage or get a hanger extender. Older models of 105 have Lower max tooth capacity too, so a hanger would be needed too. That is the cheapest option without buying a bunch of new parts.

@mikewood7040 3 года назад

Also remember that a Shimano 11-34 is actually 10speed width on the freewheel so you'll need a 1.8mm spacer. I run 11-34 on the shorter cage and it does work if you fiddle with the B screw to limit the travel slightly

@Kimberly_Sparkles 3 года назад

I genuinely expected a bigger pompom this week. #pompomformullets Hair looks nice!

@6ft8incyclist 3 года назад

Please do a review of Campagnolo Ekar 13-speed gravel groupo

@mattmadden3978 3 года назад

#askgcntech is there compatibility between Shimano DI2 road shifters and DI2 MTB derailleurs? Specifically I have a RD-M9050-SGS derailleur that was on a MTB and I have replaced that with a SRAM setup and was wondering if I could use that derailleur with a road shifter setup for a gravel bike. Thanks in advance, I've learned alot from your channel over the years.

@nathandickhof8734 3 года назад

#AskGCNTech Hi guys! I'm in grade school and I'm writing a research paper on the history of cycling. My question is what was the first carbon bike and when was it introduced to the sport? Big fan of the channel, Thanks!

@daved9087 3 года назад

To use my indoor trainer, I removed my tubeless tire and installed the trainer tire. Now I want to go back to the tubeless setup. Do I was able to clean the rim quite easily of the dried sealant, but the tire is another story. Do I need to clean the dried sealant from the tubeless tire, and if so, what will remove that without damaging the tire? #AskGCNTech

@philridley7457 3 года назад

Talking of shorts ...I bought some triathlon shorts for a duathlon ive got coming up ...went for a 65km ride and got home and was bleeding from a certain sensitive area the chaffing was epic but it was so cold on the ride I didn't notice how bad things were getting....short have now been binned and i will be wearing my bib shorts which are seriously comfortable but running feels like wearing a nappy

@nyf_verg 3 года назад

#AskGCNTech 1st Question: Is it okay to use latex tubes on Rim Brakes Wheelset? Specifically Carbon Fiber. 2nd Question: Is it true that putting powder such as talcum on inner tubes saves watts or is that just a myth?

@insquares 3 года назад

Check with the carbon wheel brand. Generally, latex tubes shouldn't be used with carbon rims due to the heat build-up when braking. But, this is highly variable due to terrain and braking style (dragging the brake vs. pump and release). I use latex tubes with my alloy and carbon rim without issues but I don't have very long technical descents and don't drag my brakes.

@hebrews11vs5 3 года назад

And if you are prone to reduce rolling resistance a bit too much, a latex tube will expand quicker than butyl and thus explode more frequently if you say, pump to 130 psi one cold morning and the temps rise during the day as the sun bears down on your carbon rim.

@samdollar6294 3 года назад

You mentioned in the video that a particular brand of clothing might not fit you. How do professionals handle sponsored equipment that doesn't fit? I notice that a lot of them get to choose their shoes for instance, but not their helmets.

@galenkehler 3 года назад

That's not very common, as most pros are roughly the same size. But generally they just deal with it as professionals.

@itarry4 3 года назад

#AskGCNTech what about the new 3d printed "solid" tyres. They have a honeycomb pattern and they claim that they'll be able to make both MtB and Road racing tyres that are puncher proof but just as fast. It's a German start up company called Big Rep, how about checking those out?

@Aubreykun 3 года назад

#AskGCNTech Given reflectors, lights and bells are a requirement in many locations by law, what's the best way to set them up without compromising on aerodynamics?

@escamunicha4276 Год назад

Maxxis has a 60g butyl tube. Same weight as the vittoria latex.

@galenkehler 3 года назад

Short nose saddles are 100% so you can run a more forward position over the BB without falling afoul of the UCI rules. Oli's advice is ok in general, yes you're sitting on the same place of the saddle but use a short nose if you need to move forward.

@philipallen4230 3 года назад

In my experience, latex tubes are actually better for puncture resistance. I've had numerous cuts in my tyres which would have punctured a butyl tube and yet the latex hasn't punctured. Recently, I was at the coffee stop and noticed a cut in my tyre where I could see the pink tube through and yet the tube hadn't punctured. I just had to stick a boot in to repair the tyre.

@fergusdenoon1255 3 года назад

Well, you don't know if they'd have punctured a butyle tube, because you're riding latex...

@ltrtg13 3 года назад

#askgcntech. Hi Ollie/Alex. I am looking to replace the wheels on my road bike. My bike is that old it still uses rim brakes and 23mm tyres. I am looking for a set of rims that use 32 spokes. I am not a feather weight and don't want wheels that will collapse when I get on the bike. How ever most wheels for some reason come with either 24 or 28 spokes. Sometime both. My question is. To keep the strength of a 32 spoke wheel in a 24 or 28 spoke wheel. Would going for a deeper rim make up for the lack of spokes? I am also going for alloy rim. If I wanted rims that didn't stop in the wet. I'd keep me ceramic rims on the bike.

@azizulzulzaha 2 года назад

Latex vs butyl pls!

@liamcycles5415 3 года назад

#AskGCNTech Hi Ollie/Alex, I have a set of Miche carbon wheels, I have just replaced the rim brake pads for SwissStop carbon pads. I was just wondering if any carbon specific pad will work with any carbon rim? or are they quite specific? will I be okay using the SwissStop pads on my Miche wheels? Cheers!

@stefanvansteenberge 3 года назад

Have the exact same question.

@kirtinehe2712 3 года назад

#AskGCNtech can we convert quick release hubs to thru axel hubs or can we replace our QR hubs to thru axel hubs

@Aubreykun 3 года назад

#AskGCNTech Many "vintage" drop bars seem to have much less-pronounced bends and hoods positions than modern ones, or lack them entirely. What's the correct way to set these types of bars up?

@kirtinehe2712 3 года назад

#AskGCNtech namaste 🙏GCN can we upgrade mechanical disc brakes to hydraulic disc brakes and can we upgrade shimano tourny (freewheel hubs) to shimano tiagra (casset freehubs) or to shimano deore 10s,11s or 12s and can we upgrade our headset bearings

@gietube 3 года назад

#askgcn how much difference in braking power is there between rimbrakes that brake on an alu braking surface compared to rimbrakes that brake on a carbon braking surface?

@ulrikmortensen9426 3 года назад

10 to 1 in the wet

@benjiherring1464 3 года назад

#AskGCNTech hi hope you well. I just wanted to know if it is possible to use a sram red chain on a ultegra group set thanks.

@21bigdom 3 года назад

Hi GCN, i have recently purchased a pair of latex inner tubes but upon arrival i noticed that on the box it says not for use with carbon rims? i am running mavic cosmic carbon wheels with rim brakes, can you please explain why they are not compatible or if i should be okay to run them on my set up? #AskGCN

@rockybarookie906 3 года назад

I always used to get punctures was thinking about solid tyres then I tried slime it works

@lenwilkinson8541 3 года назад

Latex tubes feel great, but they lost 20+ psi per day while I was on a 7-day tour. Consequently, I had to pump them up every day. When using butyl tubes, I have only had to pump them up every week or so.

@mazevx2451 3 года назад

I second that, I'm now on aerothan tubes, best decision ever. Much higher puncture resistance lower rolling resistance, lighter than latex and hold air like thick butyl tubes.

@kadduslayerzzz8813 3 года назад

#AskGCNTech are glueless puncture repair kits/patches as effective as the traditional glue ones? which ones are more reliable and long lasting

@andras.89 Год назад

Hi All, What are the critical values I need to look when i purchase a latex tube? I have a 32mm wide tyre, do I need to look for a number somewhere on the spec written 32 or at least 32? So for e.g. 26-36? Thank you! Do I need to fit the inner tube against the rim dimensions or against the tyre? So for e.g. I have a 622x19C ETRTO measure, with a 32mm tyre. Is this 30/38-622 value is good for me (one of the latex tube I found against my set-up)? Thank you :)

@davidheathfield5040 3 года назад

I thought short nosed saddles were a combination of the uci rules about how far over the bottom bracket you could go and getting further forward over the bottom bracket? Was that wrong?

@oliverbridgewood3929 3 года назад

that was some of the initial logic behind short nosed tt saddles.

@tonymc90 3 года назад

Paint chips - I've used enamel paint to touch up

@derekhobbs1102 3 года назад

Nail polish, basically same with all the funky colours.

@alfrancis2720 3 года назад

Straight Pull vs J Bend Spokes Which is better? What are the advantages and disadvantages? #AskGCNTech

@dustlesswalnut 3 года назад

I think the question about carbon frame paint was about UV damage to the polymers from being exposed, not about cosmetics or structural integrity.

@md.imjamulhoquebhuiyan5507 3 года назад

Friends, can you do a video on Monster Gravel Bike with Front Suspension? I really need to know how fast can I ride a Monster Gravel Bike with Front Suspension as I am planning to build one soon. #AskGCNTech

@mikeburton8426 3 года назад

I disagree with the comment about latex tubes. My experience has been fewer flats like pinch flats etc.. Yes a piece of glass or astable will make any tube flat but I really believe latex tubes experience fewer flats. For best experience I would say tubeless, latex tube, tubular, butyl tube in order.Just my experience

@michaelconway8352 3 года назад

Agree. Latex tubes with Vittoria Corsas or Paves are my go to. Compliance over rough chip seal is smooth and fast and only 2 punctures in 3 yrs. I'm 83kg and ride 75psi front, 85psi rear on 25mm tyres. Keep away from 100+ psi and everything is fine. Less is more.

@OFFSHOREDOUG 3 года назад

I’m 110kg run either conti 5000 or Michelin TT with latex tubes. 80-110 psi depending on ride length and have no issues with punctures.

@timschafer5020 3 года назад

Can you replace Campa Ekar shifters with Super Record ones? #AskGCNTech

@polarisnebro2074 3 года назад

#AskGCNTech I'm planning to ride a road bike to and from the office. Wearing padded shorts underneath or getting a comfy seat; which is more practical?

@turboplopp 3 года назад

Very good question! I had to make the same decision. I commute 60k and started with comfy saddle but switched to road saddle and padded shorts as the comfy saddle wasn't to comfy after all. If it was half the distance I would have been fine with the it I guess.

@mimax45 3 года назад

#AskGCNTech on a quite standard road, which part is the fastest (lower rolling resistance)? The part with car rubber or the center of the road? (The kind of nerdy question you ask yourself on loooong rides)

@tombladon8064 3 года назад

Is though about this to and decided it depends on your road surface if it’s smooth tarmac then it doesn’t matter but I’ve found that on rougher roads the area where the car tyres run is typically smoother and more quiet so you could probably deduce a little faster too.

@MrBJPitt 3 года назад

I think the painted lines are faster personally, as long as the surface bumps are the same.

@Jaburu 3 года назад

if you feel the surface, it is breaking you

@kevinzhang9190 3 года назад

how much difference is there in butyl tubes? for example cheap $5 butyl vs branded $20 butyl tubes? #askgcntech

@Avioto 3 года назад

#AskGCNTech Is it possible to convert a flat bar, belt drive commuter bike into a drop bar, belt drive gravel bike? Tire clearance is not a problem.

@chris1275cc 3 года назад

That depends a lot on what you mean by commuter bike. If we are talking traditional Hybrid then it is usually doable with good results, the main issue you tend to run into is that the top tube length is longer than it would be on a traditional Gravel/CX/Road frame. Providing the top tube isn`t massively longer you can reduce the reach with your stem and bar choices, measure your top tube length then go look at the geo charts for Gravel bikes online (of equivalent size) and see how much longer your top tube is and go from there. Stems wont be an issue as they come in all sizes and are pretty cheap but if you go too short things can get a bit "twitchy" so its better to even out the reduction between the bars and the stem.

@_driane 3 года назад

#AskGCNTech. Hey again GCN! If you could only buy 1 bike and cannot upgrade them (except for wheels), would you rather go for a lower grade carbon frame with a top of the line electronic groupset or the same but higher end carbon frame with same but mechanical groupset?

@itsyourboiiemil5450 3 года назад

Electronic group sets aren’t going to make as much difference as a higher grade of carbon so I’d choose the better carbon and mechanical groupset

@ghowell13 3 года назад

Framesets are always going to be the highest ticket item in a bike build or complete purchase. Were it me, I'd buy the best frameset I could afford. Groupsets can be much more easily purchased in comparison, or even pieced together bit by bit. Example, I'd rather an F 12 with a Ultegra mechanical groupset, than a Prince or Gan with Dura Ace Di 2, if that makes sense? And all other things being equal, wheels, brakes, and so forth. Now, for reference, and to keep everything in perspecrive above, I recently started to race BMX again, after 32 years, on a 16 year old Specialized S-Works Hemi I rebuilt. And I try to ride my 2011 Trek Madone 5.2 about 4 times a week to keep the middle aged spread at bay🙈. I'm 47😂

@JMCyclingVideos 3 года назад

Normally I would say higher grade frame. Just due to the fact that everything around the frame can be upgraded. But since you said cannot upgrade, I'd go electronic shifting all day every day. You'd be hard pressed to feel the difference in carbon grades, but you will feel the shifting hundreds of times per ride. I've ridden lower and higher spec frames (BMC Teammachine SLR03 versus SLR01, for example), and the difference is almost entirely weight, not feel or aero.

@johnandrews3568 3 года назад

Isn't a tubeless tire a pneumatic tire by definition?

@DrAlafro 3 года назад

#AskGCNTech Hi Ollie, hi Alex. Starting from a common ground that the more you bend the more aerodynamic you become, if there is a tailwind would it make sense to be in a more upwards position? Asking for fun and knowledge 🙂

@georgehugh3455 3 года назад

Depends how fast your ride...faster than the wind?

@judeavillarosa9795 3 года назад

Can you guys do an Epic Ride in the Philippines? Maybe after this Pandemic? #AskGCN

@DarenC 3 года назад

Tannus tyres are mostly horrible. I had them on my commuter for a couple of years. The one good thing is no punctures. For everything else they're bad. They lack grip, have a weird profile so cornering isn't great. And the clips wear out over time, leading the tyre to detach from the rim at speed.

@turboplopp 3 года назад

#AskGCNTech Hi pros. Commuting question: What's the best way to transport a laptop on a road bike? Thanks! (I'm blond so I couldn't find any suitable backpack so far - they all suck!)

@EthanBlock 3 года назад

#AskGCNTech I’m registered for Unbound Gravel (formerly Dirty Kanza) in June and am working on my hydration setup. It seems that most riders use a hydration backpack or vest. I would prefer to avoid this as I get a sweaty back and it creates a lot of irritation for me. Do you have any advice on how to carry 3+ liters of water/sports drink along with the necessary nutrition and repair supplies without a backpack/vest/fannypack? Thanks you.

@joshmoody95 3 года назад

Have a look at frame bags that have the option to fit a bladder, I’ve heard of some that have 2L+ capacity

@saisumanthedara6168 3 года назад

#AskGCNTech How do you gett all of those stickers on your laptop.

@raspberrylord9550 3 года назад

Not a tech question more of a question in general. When riding gravel I often get the beginnings of blisters on the inside of my thumbs. I have tried loosening my grip a bit but it didn't help much, any advice? #askGCNtech

@_driane 3 года назад

I think your hands are too dry so theyre gripping the rubber too much. Maybe try a miniscule amount of lotion on the whole hand or just the affected area. Or, just put electrical tape on where you rest your thumbs on the hoods or just wear groves

@GabrieleBarniBurnout 3 года назад

#AskGCNTech I haven't used my wheels for quite some time (having ridden a lot indoors) and now I want to use them outside. Those are fitted with tubeless tires, with sealant from the previous application (some 10 months ago). Since I haven't been using those all this time, I was wondering, do I need to re-add some sealant?

@insquares 3 года назад

Depending on the amount and brand of sealant, as well as room conditions, the sealant may have dried. You can do the 'dipstick test' and remove the valve core and put a small zip tie or similar in it to check the sealant level.

@GabrieleBarniBurnout 3 года назад

@@insquares Thanks for the tip I will do the check!

@GabrieleBarniBurnout 3 года назад

@DD GG Thanks , I will do the checks you suggested!

@user-xg9ex7zj4m 3 года назад

#AskGCNTech In a top level pro time trial how is the time measured when a rider hits the course? Is it exactly at the end of the countdown or is there a more accurate measuring that also takes into account the little time gap between the end of the countdown and the moment the rider actually starts to roll down the ramp? With pro time trials beeing measured within hundreds of a second at the finish, it would seem a bit strange to me to be inaccurate at the start.

@MrBJPitt 3 года назад

It's from when the chip on the bike passes the sensor at start and finish.

@brianjensen7813 3 года назад

Saddelhight should be meassured from pedal-axel - not bottom bracket...

@SpencerMcEwen 3 года назад

Should I strip the factory lubrication that comes on brand new chains? What do you do? #AskGCNTech

@attilaszalai1803 3 года назад

#askgcntech hello, when i press on my brake levers to brake, i have to push them very far back towards the bars - it takes them a very long time to engage, is there anyway to adjust this so i do not have to press them so far? Thanks a lot

@attilaszalai1803 3 года назад

#AskGCNTech

@nigcle8188 3 года назад

Hairnet?

@kirtinehe2712 3 года назад

#AskGCNtech hello GCN team, can we upgrade sealed cartridge(square tapered) bb to shimano hollowtech II or sram dub

@DaveM890 3 года назад

#AskGCNTech. Are sealant filled inner tubes a good idea for those of us who don't want to go to expense of converting to tubeless.

@DaveM890 3 года назад

Also how do sealant filled tubes compare in rolling resistance and weight.

@mysho6317 3 года назад

#AskGCNTech: Vittoria Air-Liner Ammonia in Sealant Warning = Si pointed out & Vittoria tech has confirmed that the Sealant used with the Air-Liner should not contain any Ammonia. I contacted the Sealant Brand I use and they stated "Ammonia is present in all natural latex solutions - we minimize down to .001ppm". So is that safe enough? Vittoria was no help in naming brands that would not be compatible. With all the different Sealants being used by so many riders, unless the Brand was crystal clear with their ingredients or at least Ammonia content, how would a rider know? Interestingly, Muc-Off one of GCN's sponsors does say Ammonia Free in their website's Product Feature page. The Brand I use does not mention Ammonia at all. I looked at a few other brands with similar mixed results Mountain & Gravel riders have been using Liners for years including Vittoria's watching YT videos I did not hear any of them mention of Ammonia or damage to their liners from sealant. Feel Free to Edit in anyway - Hoping Alex (aka Mr. Tubeless) can handle this topic. is ZERO Ammonia the only safe level?

@TheDozerKing 3 года назад

Are there any alternatives to bike chain lube that you can use in a pinch bike motor oil or a mineral oil?

@paddyotoole2058 3 года назад

Yes, even olive oil can be used.

@OFFSHOREDOUG 3 года назад

Old 3 in 1 was tested as one of the fastest ever. Lose 2 watts and save £30.

@rhl2macwan 3 года назад

#AskGCNTech Hi Ollie when are u getting a haircut.. and Are u gonna do it yourself or are you gonna leave it to the professionals?

@jameslilley8919 3 года назад

#askGCNTech When you put a puncture repair patch on a Latex inner tube goes it makes it roll slower so it roles like a butyl tube?

@jonnythelegs2597 3 года назад

You have to use pre glued patches on latex tubes, can't say I've ever noticed the difference between a patched vs non patched tube. I've been using them on and off for nigh on 30 years now and I've used most of the brands out there at some point. Most issues are normally down to storage as they degrade if not packaged well and you have to be careful not to pinch them when fitting. The ammonia in some latex solutions can break them down too. Treat them with care and you'll have a lighter smoother and faster ride compared to butyl tubes.

@md.imjamulhoquebhuiyan5507 3 года назад

1. How to ride a gravel bike with a cycle trailer? 2. Best ideas to ride a cycle in Ramadan? #AskGCNTech

@JanosZakarias 3 года назад

As far as I know, latex tubes are more resistant to snake-bites due to it being more elastic - in this regard they get fewer punctures.

@thelordpercival758 3 года назад

Gcn come in india for cycling

@RayWolf01 3 года назад

India has covid

@paddyotoole2058 3 года назад

Given that you are more than 20x more likely to die in a road traffic accident in India as compared to the U.K., I think I’ll pass!

@paddyotoole2058 3 года назад

@@vishwanathmallela2926 Thanks for your pointer on common sense. But I’m afraid to say it ain’t “math” “bruv”. Do you think I’m stupid and don’t know that there are around 1.4 billion people in India and only around 67 million living in the U.K.? The statistic I’ve cited is per number of road users / journeys made, so it has therefore already been adjusted to take into account the differences in population numbers.

@itsyourboiiemil5450 3 года назад

@@vishwanathmallela2926 that’s not how statistics work

@paddyotoole2058 3 года назад

@@vishwanathmallela2926 in 2019 there were 151,000 road traffic fatalities in India, but only 1,748 in the UK. You do the math bruv.

@PaulHung77 3 года назад

lol...does that mean Turtles are very aero?! 😂

@rileyharrington7618 3 года назад

Latex doesn’t puncture easier they’re about the same. However when it does it all goes at once. No slow leaks, no chance of making it home without a switch.

@hebrews11vs5 3 года назад

BOOM!!!

@rileyharrington7618 3 года назад

@@hebrews11vs5 Exactly!

@arvidfahlander5364 3 года назад

They are however more resistant to pinch flats, latex being a more fleixble material might be the cause for this. Pinch flatted latex tubes can be repaired from the inside with latex sealant, let them sit slightly inflated for a few days while the sealant hardens and you're good to go. The sealant doesn't repair the holes unless the tyre also gets punctured - And yes, it will get messy!

@hebrews11vs5 3 года назад

@@arvidfahlander5364 this is new to me. Thanks for sharing on the latex sealant

@fintanduffy60 3 года назад

Latex tubes are great, but will “bubble gum” through a small tire hole that butyl would not. If you run latex do more frequent tire inspections.

@MachielG 3 года назад

#askgcntech I recently noticed that in the pro peloton the female riders tend to have shallower wheels than their male counterparts, and, as it seems, it is common to non-pro riders as well. Why is that?

@OFFSHOREDOUG 3 года назад

I’m no professional but going out with very good(experienced) female riders they struggle more in crosswinds due to their weight. I am 110kg no issues with deep wheels, 60kg woman have issues with cross winds. In general the woman are lighter than the men in the pro peloton. Only my thoughts.