When to Replace a Chain on a Bicycle

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Extend the life of the more expensive parts of your bike and learn when it's time to replace your chain. This video walks through several methods for measuring chain wear, and it includes a handy chain wear chart.
Questions or comments? Leave them below!
See all our chain videos in our chain repair help playlist ▶︎ • Repair Help: Chains
Video contents:
00:48 Tools Needed
01:05 Method 1: Lift off Chainring
01:27 Method 2: Measure w/ Ruler
01:58 Method 3: Use CC-3.2
03:13 Method 4: Use CC-2
➤ Tools & materials used:
• CC-3.2 Chain Wear Indicator - www.parktool.com/product/chain...
• CC-2 Chain Checker - www.parktool.com/product/chain...
• Repair Stand - www.parktool.com/category/repa...
• SBC-1 Spoke, Bearing & Cotter Gauge -
www.parktool.com/product/spoke...
For a text-based walk-through of this process: www.parktool.com/blog/repair-h...
➤ Subscribe: ru-vid.com...
➤ Like: / parktool
➤ Follow: / parktoolblue
➤ Fix It:
Did you know that Park Tool is the #1 resource for bicycle repair education?
• Visit our RU-vid Channel: / parktool
• Visit the Repair Help section of Parktool.com: www.parktool.com/blog/repair-h...
• Check out The Big Blue Book of Bicycle Repair: www.parktool.com/product/big-b...
➤ About Park Tool:
Since our founding in 1963, Park Tool has been the leading name in bicycle tools. Our RU-vid channel is an extension of our mission to be the ultimate resource for mechanics and riders of all skill levels. Here you will find comprehensive repair help tutorials for a wide range of components and processes, as well as troubleshooting guides, tips and tricks, and information on the latest Park Tool products.
➤ More Chain Repair Help:
• The Park Tool Guide to Chains ▶︎ • The Park Tool Guide To...
• How to Clean and Lube a Bicycle Chain with a Park Tool Chain Cleaner ▶︎ • How To Clean and Lube ...
• How to Fix a Broken Bicycle Chain ▶︎ • How to Fix a Broken Bi...
• How to Replace a Chain on a Bicycle - Sizing & Installation ▶︎ • How to Replace a Chain...
• How to Replace a Chain on a Single Speed Bike - Sizing, Installation & Tensioning ▶︎ • How to Replace a Chain...
• How to Size a Bicycle Chain ▶︎ • How to Size a Bicycle ...
• How to Size a Campagnolo Bicycle Chain ▶︎ • How to Size a Campagno...

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Опубликовано:

2 июл 2024

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Комментарии : 229

@irismabbagu4332 2 года назад

You know what's best about park tool? Even though they sell specific bike tools they still show the alternatives and diy steps

@sagichdirdochnicht4653 11 месяцев назад

Which is a good marketing strategy. People watch those videos to get help fixing their bikes. And they get the job done. And once those people decide to get proper tools - well, I own a few park tool tools. And I despise commercials. I actively try to avoid products advertised to me. I realize, that this channel is advertisement. But unkike usual advertisement, it provides me with value.

@wichersham 3 года назад

After watching this video, I went to a bike shop and bought a CC-3.2. I then checked chains on my 5 bikes. Out of 5 bikes, 3 had to replace chains. Lesson learned.

@dcristian969 3 месяца назад

Wow serious? .. I guy with five bikes is expected to have some basic knowledge about basic maintenance !

@mikeywi96 2 месяца назад

@@dcristian969no need to criticize too hard. He’s learning and doing something about it.

@dcristian969 2 месяца назад

@@mikeywi96sorry if this was the thing that everyone has understood! I Just was confused!

@adamanderson7761 2 года назад

I've just started really getting into riding/maintaining my bike, and all of these videos are making me feel like a terrible bike owner...lol. I'm just glad I'm learning all this on a bike that cost less than $1k.

@makantahi3731 10 месяцев назад

there is much more than you can find on yt

@xuchenglin6256 4 года назад

Very clear and straight forward! Every “how to ......” video should be like this! Thank you for making this video.

@kenitcimm3467 3 года назад

Great vid!! Much appreciated and demystifying!! Gives such a greater appreciation and understanding!

@muzzahills8170 2 года назад

Brilliant video, thanks for the clear and precise details required to check the bike chains. Now I’m worried I’ve taken it to far and may need to replace my gears 😩🤔 better to be safe than sorry. Cheers 🍻

@worldwithoutwar8622 4 года назад

Thanks so much for this very useful information . . . and also describing the problem so well.

@PG-xr4uh 7 месяцев назад

Excellent advice and straightforward! I laughed when the guy fell checking with the ruler.😂

@allegory7638 2 года назад

Very helpful and to the point(s). Love the "skip to" caption at the beginning, well thought out.

@ariallaguing6524 3 года назад

Watching ur vids to use our old worn out bikes this 2020. Thanks guys :3

@davidmcconnon2800 3 года назад

Bought a wear guage and have found it really useful. Thanks for the instructional vid.

@nebodeuk 2 года назад

This is a great video, I share it loads, to my social posts and customers.

@Marcus11984 5 лет назад

Thanks! This was a VERY helpful video!

@MainOffenderKZ 10 дней назад

very clear and easy to understand!

@Raptor066 4 года назад

Thank you soo much guys for these videos ! Really help a lot ! : )

@rh6108 3 года назад

perfect explanation, thank you. I want that CC2 tool now!

@luchigr 6 лет назад

very clear video! thanks!

@dnvrhocky9613 6 лет назад

Great video. Thank you

@smcdonough1427 6 лет назад

Useful video, thanks

@francescodiprisco6200 2 года назад

Best tool ... best video. Thanks Park Tool !

@gogovitch66 5 лет назад

Great detail with the different wear of 10x vs 11 or 12x Thx!

@michaelcharles5273 11 месяцев назад

Thank you for the video, it really helped to give me a peace of mind.

@michaelr.5440 2 года назад

This helped a lot but what helped the most was the guy falling over in the video that made my day

@stevendalloesingh1214 2 года назад

Commenting for the algorithm! Nice video, clean and straight to the point.

@Banana_boy-zp7ly Год назад

Very helpful video, thank you.

@augustinee.salazar8742 3 года назад

Very helpful; thanks!

@alittlehouseinlancashire6347 Год назад

Thanks. That was very useful information.

@tco1256 2 года назад

Great and very informative video. thanks.

@christopherheiges3234 5 лет назад

So I bought this tool a few years ago and thought I would try it today on my 8speed mtb. Read over 1.0 with wiggle room. Love how simple the cc-2 tool is and how it may have just saved me some injury or at the least a long walk back to the car

@INTEL965GAMES 4 года назад

8 speed chain last longer than 9,10,11,12.............8 all the way, there are 11-42 tooth cassette almost the same as a 1x10.................8 all the way

@dingdongsanderbob5413 4 года назад

@@INTEL965GAMES if i have an 8 by 3 gear bike is that an 8 speed?

@INTEL965GAMES 4 года назад

@@dingdongsanderbob5413 YEAH....Even 2x8, 1X8 can work.....There cassettes 11-46 tooths......

@youngmurphy7556 2 года назад

@@dingdongsanderbob5413 Yes. It's all about the rear cassette. Chains for these cassettes are 3/32 inch wide. Above 8, they're narrower.

@donovanw.2943 Год назад

Thanks for the great info and presentation :)

@seriousstuff50 2 года назад

Brilliant. Thank you.

@stevehausman921 2 года назад

New to the cycling world( have been a daily commuter for about 10yrs tho) and thanks tor this video

@doncodman913 4 года назад

Many thyanks for that guys.

@voydnaught1397 Год назад

Brilliant vid. Thanks.

@MrTeskio75 5 лет назад

Great video man!

@TheMusicianTom 4 месяца назад

Perfect. I’ve got a CC-3.2

@AwesomeAngryBiker 3 месяца назад

1:53, absolutely brilliant

@zombiegoatwheels 3 года назад

Superb!

@laurazucchiatti8761 5 лет назад

I've got a hardtail mtb and as understood browsing and watching this I should change all the transmission (chain, cables + rear derailleur). 5 years of rough use :/

@miladne1092 7 лет назад

wonderful

@halicusnguyen8864 4 года назад

1:53 just like those black and white moments in an infomercial when the guy dramatically falls

@UmpikLumpik 9 месяцев назад

Zmazing video, thank you! :)

@edt5276 2 года назад

Helpful. Thanks. You guys do an excellent job embedding demonstration pictures within the video. I always knew I was supposed to use chain wear tool inside an INNER link but I never knew why. And, to be honest, I wonder "Wait. Did they say measure from inner links or outer links?" So, when you said "Insert hook into inner link so that you're measuring against a roller, and not against a side plate" it took me a minute to understand wth you were talking about, but now that I do, I will never wonder "Inner plates or outter plates?" again! Great explanation! But that would have been a great time for a little demonstration window showing the hook of chain wear tool sitting incorrectly against end of inner plate instead of on roller.

@chuanqisun 10 месяцев назад

The "roller" and "side plates" reference weren't easy to understand for me. I think the reason behind the guidance is that when the tool is inserted between the outer plate, it can have too much diagonal movement, so it would produce false alarms.

@RyanWiggins1zoom 5 лет назад

Thanks bro

@ben_mater Месяц назад

Thanks 👍👍

@GrinderMagee 4 года назад

Amazing oncep again

@thisaznboi88 2 года назад

I never knew you had to replace the chain. The more you know :)

@trini_boi2414 2 года назад

I learned the hard way..my chain kept slipping when I apply force going up hills and I avoided it now I have to replace the chain and freewheel..I'm going to invest in a good chain checker tool and avoid the headache

@s1lwo711 6 лет назад

Please make a video on when to replace a cassette-chainring.

@danfuerthgillis4483 5 лет назад

00:50 "And so Moses came down from the mountain and said..Thou shall check for chain wear and the Chain shall be changed"

@iv4ikslv Год назад

Hi! Thank you! So I can just change chain with out sporckets?

@indocraptor2662 4 года назад

Thanks i ride my bike to school everyday since september guess i should get a new chain now since its falling of way to much

@indocraptor2662 4 года назад

@@Ytytfytfujbyddutrxrt oh thanks for being concered but i got it fixed its fine now

@danielb2988 11 месяцев назад

Cool

@stevencole7331 2 года назад

One thing that most don't know including park tool is you can't just do one set of links . You can get uneven wear any point on a chain and I have seen this . One area like new and another completely worn . Please update the video and inform that you do have to test a large swath of the chain .

@albin0bear579 3 года назад

i use my bike nearly everyday so im 100% gonna get one of those now

@andor_yoko 3 года назад

A chain of my friends bike has not yet passed the .75% wear mark. But the cogs seem a little bit worn (just the tips). Do you think a new chain is not going to fit?

@crosisofborg5524 3 года назад

My mountain bike chain is 24 years old and has several hundred miles on it. Thinking it may need changing. The teeth on my chainrings are down to nubs.

@edwardshirley9314 3 года назад

Do you make another tool so that I know when my CC32 Wear Indicator is wearing out please?

@franciscobraganca5291 4 года назад

Just got a new chain (Shimano Dura-Ace). Is it recommended to use the pin connection or can I use Shimano quick link SM-CN900-11?

@ldvcbi4317 Год назад

Hello, to do the measure we have to be on the large front ring and the small cassette sprocket?

@khalilmiller9711 5 лет назад

I wish I knew this a long time ago

@davidrowe8747 2 года назад

Fool-proof! Thank you!

@VietPho 10 месяцев назад

Do park Tool items go on sale black friday?

@jeremyladue4702 3 года назад

Is there a chain for bikes that last a very long time?

@PedalPupper 3 года назад

Very helpful! I do have a query, naive as it may sound - on an MTB, riding on urban terrain, average distance of 250km a month, in what time frame, a good quality chain might wear out?

@dsp4392 9 месяцев назад

Decent quality chains can last anywhere from 1000 to 4000 km. It all depends on the chain's metal hardness, how often you clean/lubricate it, and how much you avoid cross-chaining.

@makoto6457 7 месяцев назад

If I replace my chain that is less than 0,5% wear for a new one, can I rotate this chain (less than ,5%) back after another chain?

@Aanonymous88 4 года назад

I hope I can still save 11 spd cogs and just replace the chain. Bike parts price are getting ridiculous this days.

@KurtisPape Год назад

Random story if anyone can give a damn to read haha I changed a chain on my dads e-bike literally to just change colour from silver to black. All of a sudden with new chain was crunching gears, put the old chain on and was all good, we checked the cassette and now 2 teeth were bent. We bent them back and rode and the chain snapped, we blamed it on the new YBN chain being 10mm shorter. So got a new XX1 hollowpin chain, I accidentally pushed the wrong pin out, my dad didn't want to pin it back because he didn't want a hollowpin chain anyway. So got a solid pin chain, tested and gears were still snapping into place. I changed the gear cable but ended up being a days job because I dropped a bolt into the motor. Cable didn't fix problem. So I put a new cassette and derailleur on and was shifting smoothly. On the 3 ride started crunching gears, the new chain had burrs all over it and stiff links and the new cassette had burrs. Turns out the YBN chain wasn't 10mm short but the original chain had grown 10mm and had completely worn the front chainring which was destroying everything🤣

@rodolfogiogervasio2169 4 года назад

At 0:45 is that an example of a chain that’s worn or new?

@educationalvideos4151 5 лет назад

I recently got a full tune-up with a worn-out chain kept on, and I wonder if any of those derailleur adjustments might compensate for chain wear. It was probably at 0.75 then, and rode a lot last month so now it's at 0.8. If I replace my chain, will I need to adjust my shifting again? I'm a bike maintenance newbie, and don't know if tuning the shifting only compensates for cable stretch, or if chain "stretch" (wear) is a factor.

@parktool 5 лет назад

The worn chain should not effect the derailleur adjustment. You can install a new chain and not have to adjust your gears.

@GNX157 5 лет назад

If your chain is that badly worn, you'll likely need a new cassette which you'll know for sure when it starts skipping in the most used dogs. In that case there will be a slight adjustment needed when putting on a new cassette and chain.

@journey4109 3 года назад

What about other brands ? It seems that only one company is shown.

@aaron___6014 6 лет назад

I've got about .6 on my 11spd drivetrain and it is showing wear on the cogs. So, do what the video says.

@danyquirion1081 4 года назад

Is it normal that my brand new bike, had to have the chain replaced at 200km? I did that test and its wore, it doesnt make sense

@FooFahFoeFum 9 месяцев назад

Hello help: If you change a Ultegra chain, do you have to change to a new cassette, The existing cassette is 8000k old , no rain ... no sand ... no dirt ever...

@mwj5368 3 года назад

First, thanks for a great video!! Also thanks for making good tools for a greener world!! Does this mean that you don't always have to get a new free wheel or cassette every time as long as you change your chain in time? How do you know when to change your free wheel or your cassette. I have a cassette if that makes any difference.

@parktool 3 года назад

If you replace the chain on time you can often wear out 3-4 chains before needing a cassette. The only accurate way to test a cassette for wear at this time is by installing a new chain and then riding it. It can safely be assumed that if a chain is well worn that the cassette or freewheel will need to be replaced as well though. That is why in many shops they will say you need both just based on the chain measurement.

@mwj5368 3 года назад

@@parktool Hi! Thank you for being so informative. At first I started to think the shops were just selling a chain every time to make more money. You saved me a lot of money! I also used for the first time my new Park chain cleaner device. I let my chain go too far and used your measuring tool to determine that. I had to ride more to pick up a new cassette, about 15 miles one way and had to ride about 14 miles today. I cleaned the chain twice and 30 revolutions. It looked very nice, but when I bent the chain side to side I could hear the slight crunch sound of sand particles still in it. If someone's chain is dirty enough can that happen after 2 cleaning rounds? Thanks again! Your company makes very nice tools, and for a greener world!

@topcat304 Год назад

Question: I get different results if I measure the top most aspect of the chain compared to the chain below the derailleur. What is the best standard?

@peterwillson1355 Год назад

Bottom, because the rear derailleur is pulling the cahin taut

@lazurm 5 лет назад

The instructions here, for the Park CC-2 tool, stated to first insert the tool between two outer plates. Why does that make a difference? Also, based on comments in other areas of the net, it's important to keep this tool parallel and not place each end into opposite sides of the chain as that will increase error in the readout.

@donlibes 5 лет назад

Regarding your 1st question, I agree with you. It makes no difference. One end will be between outer plates and the other end between inner plates no matter what you do. They should have made the tool half a link longer (or shorter) so both ends would fit in inner plates. Same observation for both CC-2 and CC-3.2. I have a non-Park gauge that surrounds both sides of the initial roller - so I only have to ensure the second insertion point is between inner plates.

@xx3868 2 года назад

CASSETTE question. Are the gear tooth's supposed to be slightly twisted as viewed from above or dead straight parallel with each other and pointing forwards backwards perfectly? Noticed this on a worn and new cassette.

@parktool 2 года назад

modern cassettes and often freewheels have teeth that are shaped to aid in shifting. This often gives them the appearance of being twisted, chipped off, shark finned or other. But in some cases these things can happen from damage or wear. So it is important to inspect.

@makantahi3731 2 года назад

interesting fact: even if chain is not worn(0.2-0.3) chain rings wear and after some kilometers rings should be reshaped to prevent chain skipping over ring

@ahmedhany9238 2 года назад

I have owned amountain bike for 35 years and never maintained it or sent it to a bike shop and performs extremely well

@jeremyemilio9378 4 года назад

But how much day light should I be seeing before changing the chain for the 1st method?

@makantahi3731 2 года назад

only one if you are on antarctica on summer

@rohanamberkar9295 2 года назад

The Count i get is 25 rivets. What does it mean?

@KenTanaka303 6 лет назад

I have a 10s cogset and chain with wear at .5%, except for the segment containing a KMC Missing Link is at .75%. I placed a new masterlink in the chain (same brand and model) but still measure .75% on that span. Should I replace the chain? It isn't running smoothly on the smallest cog despite a fresh derailleur tuneup.

@parktool 6 лет назад

If your whole chain is at .5% and you only are experiencing .75% at the connecting link then I would continue running it. When you say it is running rough in those gears what do you mean?

@KenTanaka303 6 лет назад

Park Tool By “rough” I mean a momentary “Kachunk” as if it is trying to shift to the next lower cog. It’s still in the highest cog, but once or twice a minute it catches if I’m riding under much torque or hitting wavy pavement. I’ve stopped using the highest speed to avoid causing more damage, all the other shifts are smooth and the cogs run quietly. I noticed some damaged corners on the 11T cog, so I took it in to a shop and put in an order for a replacement cog. They’ll also add a new chain when it arrives.

@basketmania1931 Год назад

How to order cc 3.2

@GNX157 6 лет назад

So, I'm using an 11s chain on a 10s cogset, which spec do I use for replacement, .5 or .75 ?

@antoniostefangabriel9829 6 лет назад

0.75

@RayGhad 4 года назад

@ Park Tool Thanks for the video. To prolong life of chain ring & cassettes there are videos suggesting rotating chains every month (500 miles)like starting with chain 1 then 2 and then 3 and restarting with chain 1and replace all 3 after a year. So each chain has a life of 4 month / 2000 miles on it. Technically i don't get what's the difference btw this method and just changing each chain @ 2K mark (or when tool shows 0.5m wear). Do you have suggestions or comments on that technique?

@davidrook6764 3 года назад

One reason you might want to do this is so you are forced to clean your chain once a month. Not a bad idea but I'd rather ride than clean chains. YMMV.

@RayGhad 3 года назад

@@davidrook6764 thanks!

@biluroy2426 3 года назад

Mine bicycle chain life 15 thousand miles hero bicycle

@criticalthought7527 2 года назад

If your description of this technique is complete, it makes absolutely no sense IMHO. If you want to maximize the life of your chain you must keep it clean and lubed. If you can hear it, wipe in down with Isopropyl Alcohol and lube it. Then let it soak overnight, a quick wipe of any excess lube the next day, and you're ready to go! Peace and love j

@mad_scientist5597 2 года назад

for anyone still reading this. I'm a noob and this is the first I've seen this idea, but it does seem to make a bit of sense to me after giving it some thought. I think this makes the most sense to start with a new cassette, new chains and probably new front chain rings. The only thing I'm somewhat confident in being an advantage in this method is that you can avoid the point where you replace a badly worn chain with a new one and the equally worn cassette will make the new chain skip, for some time anyway. If you replace a badly worn chain with a somewhat less but still significantly worn one, there won't be as much of a difference. Or so I think. So, at the end of the whole cycle, when you're say going from chain 1 to chain 2 on their 4th (final) use, had you put on a new chain instead of the 3/4 worn chain 2, you may have had it skip on the cassette, cause the cassette may be quite worn itself at this point, making you buy a new cassette. The 3/4 worn chain 2 is closer to being as worn as the cassette is than the new chain so it would probably skip less or not at all, meaning in this scenario, you got more life out of the cassette. All this hassle with the chains seems to be a way to prolong the useable life of the cassette and crankset, cause it makes sure you always have a chain that is roughly as worn as the cogs. Why not just continue using a badly worn chain when a brand new one would skip and the cassette would need replacing anyway? I don't know. Like someone else already said, it's a good way to make you clean the drive train more often, so there's that.

@cardsfan2397 Год назад

You'd be surprised how much damage your drive train will be just from a worn out chain.

@mtechcomp9071 2 года назад

i replaced my chain at 0.75% but end up changing the cogs and chainring too. when i changed my chain there is a chainsuck. literally the chain will not leave the chainring due to wear caused by chain so i changed it with brandnew chainring and guess what problem solved, then the cogs start slipping on 9,8,7, gear again(so much problem lol) so i end up changing my cogs again now i have a brandnew drive terrain lol😂😂, i recommend change your chain at 0.5% on 10 or fewers gears.

@GrandpaChroniclesbyGlennDTorre 3 года назад

1:43 I paused and counted the rivets... it is 25 rivets from 0 mark to the 12th inch mark.. so it is not the 24th... but the 25th rivet

@rohanamberkar9295 2 года назад

i do face the same issue

@fritzwalter1112 6 лет назад

Does every chainlink have the same length? I mean compared to other chains or even brands. Dies shimano and sram have the same length?

@parktool 6 лет назад

All current bicycle chains run on a 1/2 in pitch.

@konjikoza 8 месяцев назад

Can someone confirm if I understood correctly the part about the bike speeds. When he says 10 or fewer rear gears he means 10 cogs on the rear wheel? Most of the bikes I had were 8 gears or less so Im not sure if I understood correctly.

@parktool 8 месяцев назад

The "number of speeds" now mean the number of rear sprockets. The term "10 speed bike" meaning five in back and two in front is no longer used.

@johnsumner6185 4 года назад

I won a chain wear tool in a race, your tool looks less mickey mouse, wish you sponsored that race!

@fredpereira88 5 лет назад

hi Parktool! are those tools also compatible for SRAM?

@parktool 5 лет назад

These tools are compatible with Current SRAM drivetrains.

@AP-wn8nd 4 года назад

The instructions on the backing card of the cc3.2 tool tell you to place in the outer links first , not the inner plates as you showed.

@daveholmes7160 2 года назад

Good point so which is it ? does it matter ?

@shumeister1059 3 года назад

The time to replace the chain? I thought about it after it snapped into a limp snake...

@ashkanahmadi 6 лет назад

Hi. Is there a link to your international distributors more specifically in Barcelona, Spain? Thanks

@parktool 6 лет назад

Here is a link to our worldwide distributors. www.parktool.com/trade-resources/worldwide-distributors Looks like the distributor in Spain is Team Bike S.L. Thanks