How to Remove and Install Bottom Brackets - Threaded Shell (BSA, T47, Cartridge, etc.)

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This video walks through the complete procedure of removal and installation of bottom brackets used in threaded shells, including three-piece cranks, threaded "thru-spindle" external bearing cups, and bottom brackets used in T47 shells.
Questions or comments? Leave them below!
See all our bottom bracket videos in our Bottom Brackets playlist
▶︎ • Repair Help: Bottom Br...
Video contents:
00:00 Preliminary Info
01:36 Removal
03:56 Installation - Thread Preparation
05:19 Installation - Threaded Thru-Spindle
06:09 Installation - Cartridge-Style
➤ Related Text Articles:
• Bottom Bracket Standards and Terminology - www.parktool.com/blog/repair-...
• Bottom Bracket Tool Selection: Threaded and Thread-Together - www.parktool.com/blog/repair-...
➤ Tools & materials used:
• Appropriate bottom bracket tool - www.parktool.com/category/cra...
• SWR-8 3/8” Drive Ratchet Handle - www.parktool.com/product/3-8-...
• SWB-15 3/8" Drive Breaker Bar - www.parktool.com/product/3-8-...
• PPL-1 PolyLube 1000™ Lubricant - www.parktool.com/product/poly...
• ASC-1 Anti-Seize Compound - www.parktool.com/product/anti...
• TLR-1 Medium Strength Threadlocker - www.parktool.com/product/medi...
• TW-6.2 Ratcheting Click-Type Torque Wrench - www.parktool.com/product/ratc...
For a text-based walk-through of this process: www.parktool.com/blog/repair-...
➤ Subscribe: ru-vid.com...
➤ Like: / parktool
➤ Follow: / parktoolblue
➤ More Bottom Bracket Repair Help:
• What Type of Bottom Bracket Do I Have? ▶︎ • What Type of Bottom Br...
• How to Remove and Install Bottom Brackets - Press Fit ▶︎ • How to Remove and Inst...
• How to Remove and Install Bottom Brackets - Thread-Together ▶︎ • How to Remove and Inst...
• How to Remove and Install Bottom Brackets - Cup & Cone ▶︎ • How to Remove and Inst...
• Crank & Bearing Removal and Installation - Campagnolo® Ultra-Torque™ ▶︎ • Crank & Bearing Remova...
• One Piece Crank & Bottom Bracket Removal and Installation ▶︎ • One Piece Crank & Bott...
➤ 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/repairhelp
• Check out The Big Blue Book of Bicycle Repair: www.parktool.com/product/big-...
➤ 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.

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Опубликовано:

6 июл 2024

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Комментарии : 314

@dustinmorse8497 2 месяца назад

How many are here just to remember which way to turn a BB.

@DealWithTheDevil. Месяц назад

😂

@p504504 3 года назад

We must protect Calvin Jones at all cost.

@genova2006 3 года назад

This guy is an excellent instructor

@hollowedentity7097 3 года назад

You fucking said it dude. This worked instantly.

@sophiekirkman6963 3 года назад

I know! If a Park Tool video isn't presented by Calvin, then I won't watch it 🤣🤣

@mikekilburn3552 2 года назад

I can honestly say excellent is an understatement. I just love how he's very thorough about his explanations probably one of the best bike mechanics I've ever seen.

@kdrb17 2 года назад

Yes I agree! I teach college lecturers and this is an excellent example of effective teaching/instruction.

@cjSamuil 2 года назад

The best!!!

@RussellCambell 4 года назад

Mission accomplished!! Bottom bracket replaced ultra annoying noise gone!! Thank you

@TrentSiggard 4 года назад

Try z4 ,$A wax x

@timnolan3125 4 года назад

Another quality video clearly explaining the process. Calvin is a legend!

@godzillaisnuclea123 3 года назад

This channel is so comprehensive, so clear and its free, i'm amazed that a resource like this exists today

@BeeRich33 3 года назад

godzillaisnuclea123 Drives the market of both shop service training, and DIY monkeys like me. I love working on my bikes.

@davidlundmark9359 Год назад

it really is so amazing

@Pushyhog 5 месяцев назад

Mr. C is the best & lights, action, camera, edit, edit timing, filmography videos.

@disparage1 3 года назад

This video makes me want to personally thank the people who made it. Not many videos do that.

@centraterasen 4 года назад

Calvin, you are the man and the instructions that you provide on this any many other topics are pure gold. There are a lot of hacks out there but you are the true diamond. Thank you for sharing of your experience with the masses.

@janinsweden8559 Месяц назад

Excellent instructions

@Ballmead 4 года назад

Love your videos mate. You're clear, concise and easy to follow. You've helped me out many times with my bikes.

@Ballmead 5 месяцев назад

@enriqueamaya3883 Does Jesus need help with his bicycle too?

@ClaudiuB 2 года назад

Wow, thanks about the turning directions. I was struggling to turn counterclockwise on chain side in order to disassemble it and before making any mistake I said: let’s check youtube

@tenpennyguy 4 года назад

This video really helped me with replacement of two old square taper spindles by cartridges. The comments on care to avoid crossthread, use of threadlocker & grease, & torque were especially valuable. One lesson learned - The BB shell of older and cheaper bikes may be out of round, complicating the process of installing the cartridge.

@tristanwwsd 4 месяца назад

@enriqueamaya3883 I talk to Jesus every time I deal with out of round BB's.

@erikwiseman1702 2 месяца назад

This channel, and Calvin in particular, has been an amazing resource. I have learned to do virtually all the basic maintenance on my entire family's bi,es and install a new group set on mine. However, the Park Tool threaded bottom bracket tool (BBT-32) was a fail, mainly because the Shimano bottom bracket drive side was poorly cast and the tool wouldn't stay on - a competitor's product had a piece to hold their tool on and it and finished the job in less than a minute. The existence of said tool and recommendations across the internet imply that this is a common problem.

@knowledgeispower311 3 года назад

Thank you very much for this concise, yet thoroughly informative video! I was able to tune up all the bikes at my house with basic tools. You’ve saved me a bunch of money and the bikes are better than ever!

@JuanHoya 3 года назад

mos comprehensive video on bottom brackets, nicely done!

@BrianWeymouth-Tasmania 2 года назад

Another excellent Park Tool video, thank you.

@ericre1363 2 года назад

So helpful. I really appreciate all the instruction. Thank you!

@codyhughes5520 2 года назад

Thanks guys for all the help. I've decided I needed something to stay busy bought an gt avalanche needed some love with the help of you guys and Bermpeak I've been able to learn something different buy kinda the same. Cheers.

@wasifzihan4662 2 года назад

Best repair guide i have ever seen.

@michaelgreen9589 4 года назад

Clarifying, as always. Thank you!

@TheChriscarr1210 Год назад

Calvin saves the day, again!

@jubeirok5597 Год назад

Thx for all the tutorials - I replaced a creaking bb with a new one. ❤😊🎉

@mohamedomar2038 3 года назад

Lots of Respect, couldn’t be better explain than this!!! Thumbs up 👍

@rossross5620 4 года назад

Thank's a Lot !!! your video's are excellent!!!! I'm learning to fix anything on my bike and also on my friend's bike. Plus my love for bike's grow more and more Thank's Calvin!!:-)

@reynoldeuler9802 2 года назад

High Quality Video. Many thanks for the good work. This is why I always try to buy ParkTool products.

@Sparvar1 3 года назад

You are amazing, thank you so much for your help! The first one I have found that makes sense and is easy to understand. And 10/10 on the moustache!

@Silva0101 2 месяца назад

These videos fill me with alot of confidence thank you

@cstrike105 3 года назад

Thank you for the free tutorials

@samuraisword1339 6 месяцев назад

this helped me fix my E-bike bottom bracket, incredibly useful.

@oliversjmildmay2970 3 года назад

Thanks - Really Helpful And Clearly And Simply Explained :D

@namdarbolour9890 2 года назад

To prevent cross-threading the cartridge, one nice trick is to install the hollow cup (left side) first hand-tight. Then install the cartridge from the right side, so it will automatically center when it goes through the hollow cup on far side of BB, thus preventing cross-threading. Then back out the hollow cup, tighten the cartridge, then the hollow cup. This tip from Sam Tracy's "Bicycle: A Repair and Maintenance Manifesto, 2nd Ed, page 159.

@keaixiaomeinv 2 года назад

These videos are incredible.

@kaloyan2778 4 года назад

My crankset broke and I'm learning how to replace the bottom bracket with it as well. Thanks for having so much information online. I disabled add blocker to try and support the channel somehow. Keep up the great content!:)

@dannypryordoyle2710 4 года назад

Thanks Calvin! Trying to see if I can upgrade my old cartridge BB with a hollow-tech version of lighter weight.

@ffdar9119 4 года назад

You guys are definitely the pro's, common sense and logic is great but nothing can replace experience

@cstrike105 3 года назад

Thank you for the detailed explanation

@rich8037 Год назад

Here's a tip for when the old cup is really stuck, on a bike with cartridge bearings and square taper crank fitting: put the Park Tool in place and put a bolt (M8 *fine* x 40mm) through it and into the thread for the crank retaining bolt. Tighten this hand tight and then put a 32mm deep socket on a breaker bar over the Park Tool. You will be able to crack the cup unstuck and once it's moving a bit you can slacken off the retaining bolt as the tool will now be in much less danger of slipping out and damaging something. This has worked for me in the past, though if the cups are *really* badly stuck you may have to resort to the heavy brigade - angle grinder and drill.

@fx_jaguar8743 Год назад

Thanks for the video! this was super useful !!

@albertf.9198 3 года назад

I saved this great video for future reference. THANKS for all the help. Now maybe, I'll remember to pick up some tools from ur website.

@manabiker 6 месяцев назад

Thank you, I have a Steel Frame that came with aluminum Bottom Bracket Cups, after 6,000 miles all year riding in Michigan, the cups were eaten away on both sides, I put them back together with Anti-Seize compound, electrolysis is a big problem not mentioned, With Alum/Steel electrolysis a probem, grease works ok, but I have more faith in anti-seize, I owned semi trucks for many yrs with alum wheels and steel lug nuts, if you didn't anti-seize them you payed for it when it was time to remove the wheels. its not a lube, its water soluable, it can stand temps up to 1800 degrees, great for automotive/big truck exhaust. lubes don't do that, bikes don't get that hot, but they do seize. Happy Trails

@TheAntibozo 2 года назад

I love you, Park Tool!

@tudorsavescu2329 3 года назад

These Park guys keep taking my money ...

@ub3227 3 года назад

I love how they don’t only use high end bikes, it shows how humble they are.

@cesarabrego684 3 года назад

They kind of figure out that us who try to DIY repairs, don't usually have high end bikes.

@becyk_du_quebec 3 года назад

It's like that in almost all their vids, as opposed to GCN tech videos, gotta love Park Tool.

@jackglossop4859 3 года назад

@@becyk_du_quebec I remember when GCN did a ‘fix squeaky seatpost’ video and the seat post they used to demonstrate it was some teardrop carbon fibre aero thing. Ridiculous.

@ahkl77 2 года назад

Best BB explainer vid 👍

@manrod4871 3 года назад

Very usefull video like many others in this channel. 👍

@DingbatToast Год назад

Excellent reference 👌

@velolocation6461 3 года назад

excellent informative videos

@mnemotronic Год назад

Good video. Thanks for pointing out all the variables (length, dia, threading) of the components I need to replace. Now I just wish I'd watched the video *BEFORE* disassembling the BB. When I was cleaning the spindle I noticed that one side was longer than the other. Now i don't know where the longer side goes. I'm guessing I'll notice a difference in the clearance between the crank arms and chainstays when I re-assemble.

@jahfish42 Год назад

Really useful thanks!

@alfredomartinez7978 4 месяца назад

Simply "The Best"

@NeroSixtyEight 2 года назад

super helpful. Thanks

@Pogi27 2 года назад

Sir thank you I learn more to you

@asdasd3383 2 года назад

nice video as usual. cool music too

@hienhuunguyen5511 4 года назад

Thank you !

@mrenormouscroc Год назад

And thanks for vids... very helpful

@theepimountainbiker6551 3 года назад

Have a strange noise in my brand new Riff BB, probably gravel, now I know how to take it out and clean it.

@tedceldor 3 года назад

thanks bro.

@Johny40Se7en 4 года назад

Thanks for mentioning the 'Cup and Cone' bottom brackets straight off the bat buddy. I didn't even know what that type is called. That's the type I'm trying to learn about. Nice one fella.

@jeffdavis291 2 года назад

I could not get my Shimano BBUN 26 bottom bracket loose using the Park Tool BBT-32 tool. I tried a14" adjustable wrench. But the splines on the bracket are very shallow and the BBT-32 kept slipping off. Then I tried putting the BBT-32 in a 32mm shallow socket on top of some washers to get the tool's splines above the top of the socket and used a1/2" ratchet, then a 1/2" x18" breaker bar. It still kept slipping off. Finally I used my Milwaukee 1/4" driver and that worked like a charm. It beat on it for a couple of seconds and then spun it right off. i don't know if this is an approved method but it does allow you to keep pressing the BBT-32 into the splines and not allowing it to slip off.

@pbjbagel Год назад

I'm tearing down an old hybrid bike of mine and made the mistake of just looking at one of the sides before ordering the tool I needed. The non-drive side bracket has three notches and the drive-side has two flats. I was shocked to see this after I got the non-drive side off first. Luckily, I had just bought a wrench that just barely fit onto those two flats. But, I'm not sure if I did something wrong again because a bunch of bearings came pouring out when I removed the drive side bracket...

@leightonblue1056 4 года назад

Spot on

@danshilling4240 2 года назад

Great instructions. To may different tools, Industry needs standardization for the components and frames. Just like the auto industry.

@tickyo12 4 года назад

HI I doing a couplet bike build. So how do I know if I need spacers on the BB?

@aemiliadelroba4022 Год назад

Nice 👍

@tomjones715 2 года назад

Nice video, I've got a 7 year old Apollo Feud Mountain bike the bearings in the crankcase have worn out making the pedals wobbly so I need to replace the bearings where the pedal cranks go, But I don't know What Type of bearings set up would I need for it? Might it be a new bottom end bracket cartridge type or one of the other types of ball bearings crankcase/bottom end bracket types, and what tools would I need to get the job done.

@ricardotijerina886 4 года назад

Hey Park Tool, how do i find out if a have a Shimano octalink V1 or V2? Trek Road bike.

@user-zx1my7hd1w 4 года назад

Thanks

@maxheadroom1506 Год назад

the hardest part is knowing what you have and then getting the right tools.

@Jonmc511 4 года назад

Park tool I have a square taper bottom bracket. Question is is it possible to get a 1 inch longer bb axle. So I can fit a mid drive motor between my crank arms. I need it wider to be able to pedal when battery dies?

@swifttking4160 3 года назад

I luv dis guy

@dacchidang8538 3 года назад

quality education

@type17 4 года назад

4:54 "But if you have nothing else, at least use some grease..." - would somebody please tell bicycle manufacturers about this!

@madmartigan9720 4 года назад

One time when I got new BB and wanted to go riding but didn't have any grease, I just used a butter as a replacement :)

@mustangrt8866 4 года назад

@@madmartigan9720 In Italy we use diesel fuel

@richied9305 4 года назад

In France, we use mayonnaise

@C0deH0wler 4 года назад

In New Zealand we use Aioli

@ricardotijerina886 4 года назад

in Mexico we use K-Y jelly...

@adrianriches456 4 года назад

Is Copper Grease suitable for this application?

@nicksnow5606 Год назад

Calvin Jones in the realest MVP

@theviolinoob 4 года назад

i got a new bottom bracket for my fixed gear.(Integrated crankset Single speed) but reallized that it had shortened the botton bracket length after install;;

@elinpelin17 Год назад

Do you lubricate the crank when reassembling?

@DeviorBlake 4 года назад

Thanks for the video! Can you tell whether you have the tool for installation of Hope BB30 BSA threaded bottom bracket? I don't have it right now to measure it and count the notches, but I need to know what the tool to use with it. Thanks!

@parktool 4 года назад

We do not offer that tool unfortunately. BSA30 is a good description of that bottom bracket. The fitting is about 1/2mm too small for one of our tools and about 1/2mm too large for another.

@mikagami69 4 года назад

You guys should consider putting one out there, since they keep gaining traction in the states, and their cranks can be swapped to different platforms ala RF Cinch

@joy3122 Год назад

Hi and thank you for these helpful and such well made videos. I have noises coming from the bottom bracket when I do not pedal...any ideas? It's a relatively new bike, 300 KMS.. thanks in advance for your help.

@parktool Год назад

Noises when you are not pedaling? Can you describe these noises and exactly when and how they are made?

@topspin6418 3 месяца назад

Hey, excellent content as always but I have a question. Shimano’s notice says don’t use grease on the tread when the cup is made of plastic, do you recommend that and most importantly why ? Thanks !

@AnotherMrLizard 2 месяца назад

Grease is to form a barrier between dissimilar metals such as aluminium and steel but if your bb is plastic then there’s no reaction going on so it isn’t needed.

@dekkieboy 4 года назад

What specific tool do I need for BB-RS500..? There are so many in the Park Tool website, but it doesn't say if it is okay to use in my soon to be BB...

@parktool 4 года назад

That is a 44mm 16 notch bottom bracket. The BBT-69.2, BBT-19.2 and the BBT-9 will all fit. Id suggest the BBT-69.2 as it has a machined face for better engagement.

@021sagaz5 3 года назад

Hello Brazil!

@021sagaz5 3 года назад

Brazilian

@BEWFlash 3 года назад

I have a question (GREAT vid by the way!). I am doing the TruVativ conversion kit to go from ABB to BSA. The TruVativ cups and my euro BB are both aluminum. I would lean toward thread locker (options 1 and 2 in your vid) but in a GCN vid on lubes Simon mentions aluminum bolts are prone to seizing. So if the TruVativ adapter and my BB are aluminum should I use ASC-1 instead of thread locker? Same question for snazzy aluminum chainring bolts I bought (where I would have used threadlocker)...PPL-1, threadlocker, or ASC-1 for those as well?

@parktool 3 года назад

Kinda depends. The RC compound/ thread locker is going to give seperation between the bottom bracket material and the frame material. So will the ASC-1. If the fit is a nice pressfit then i would go ASC-1 but if the interface is loose i would suggest going to RC-1. Check out this video. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-W9zPkrCtWEM.html&t

@BEWFlash 3 года назад

@@parktool Thank you for the quick reply!

@sarunasgabalis7135 4 года назад

Hey park tools i have a question. Can i change from Cup and cone BB to cartridge BB?

@parktool 4 года назад

Very likely yes. You need to match both the thread standard and spindle length.

@humptydumpty2552 3 года назад

Calvin Jones just got cooler.. (the background music tho)

@MJCV75 3 года назад

Great and very usefull video! Just a simple question, what is the purpose of those spacers? I took my bike to my local shop to replace the bottom bracket ( replaced mt500 for a mt800) and just noticed that they put the 2 spacers on the right side but none on the left, when I asked they said there was no problem with that but I was still concerned about it, and even in the shimano page they indicate to place one spacer on the left, will that cause any issues?

@parktool 3 года назад

Interesting that they have it setup with 2 on the drive and none on the non drive. Typically there will be one on the drive side to account for what is called an E-Type front derailleur or bash guard. Then, (if a 68mm bottom bracket shell) they will run an additional spacer on both sides for a total of 3 if a 68mm or 1 if a 73mm shell.

@MJCV75 3 года назад

@@parktool Thanks a lot for your answer! They already corrected that because it seems the technician forgot about it and the crank spindle was moving side to side, so the other spacer corrected that problem ( my bottom bracket shell is 68mm), I purchased the Deore M6100 1x12, but the right crank arm slightly touches the chainstay the moment I apply pressure on the left pedal and more when going uphill, does that mean I need a different crankset? Any advise in regards to that? I ride a hardtail by the way.

@MrLmao37 2 года назад

@@parktool hi the threads on my bottom bracket got badly damaged in a accident, my frame has the bearing cups, I rode my bike after replacing both cups and the treads both pulled during my next ride, could you show anyway of repair for this damage. The cups push in now.

@R3zzRhino 11 месяцев назад

Would it be better to get the outside sealed ones I feel like dirt will clog the outside threads

@isprongklongavenue8526 4 года назад

can i use Shimano 105 crank to 68mm bottom bracket ,its mh first time to assemble bike mostly on Road bike,.what is the right standard size for ..

@parktool 4 года назад

Shimano 105 has come in many iterations. What model of 105 are you installing onto the 68mm bottom bracket shell? on the backside of the crank arms there should be a number like 5600, 5700, or 5702 etc. Lucky for you all Shimano 105's that have been made, can fit a 68mm bottom bracket but many require a different bottom bracket.

@daveyt4802 Год назад

I have a VP cartridge style BB. Can you repair them? 10,000 miles on mine.

@justbikewatch 2 года назад

Are threaded thru BB spindle interchangeable with cartridges?? I am wondering whether I can swap my shimano cartridge BB-UN300 by a compatible threaded thru BB. Any tips for compatibility? I want to upgrade from the square taped! Thank you!! Very good video btw!!

@parktool 2 года назад

You can very much upgrade to a two piece style thru spindle crank. You will still use threaded bottom bracket cups. The cus will depend on the crank that you choose. Most cranks are compatible with threaded bottom brackets.

@zukzworld 6 месяцев назад

Thanks for the video. What happens if you do not insert the plastic sleeve or the plastic sleeve is smaller than the required width?

@parktool 6 месяцев назад

Typically the plastic sleeve is to protect from dust or from internal cables rubbing on the spindle. There will not typically be an issue with not running the sleeve.

@zukzworld 6 месяцев назад

@@parktool Thanks a lot. Assembling my first bike, your videos are quite helpful. 👍🏾

@anthonyesporlas9913 2 года назад

Hi where can I order the bike tools like you Used thanks

@jayj.manalo2271 4 года назад

Among threadlock, anti-seize and grease, which is the best to use?

@kimrice394 4 года назад

Jay Manalo I only use Marine grease. I personally would never thread lock a threaded bottom bracket into steel or aluminum. Anti seize if severe weather is encountered or if your don’t do yearly maintenance.

@parktool 4 года назад

In a threaded bottom bracket, we prefer anti-seize depending on the bottom bracket of course.

@patriotforecast3437 3 года назад

what was , is the name of that blue shiny cup on your ractchet? does it work for the lock rings AND the bottom bracket?

@parktool 3 года назад

BBT-69.2. It works on many outboard and thread together bottom brackets and also on some center lock lock rings.

@veselinpandov4006 Месяц назад

Check also his video for stuck bb 😉. Really helpful !!!

@andrewandres76 3 года назад

Are english thread system has the same diameter?

@MrJammydodger12 Год назад

Are the thread types of bottom brackets interchangeable, are the threads in the shell the same size? I currently have a cartridge square taper and I would like to install a threaded hollow BB so I can then fit a cracker with integrated 24mm axel.

@parktool Год назад

The threads of the frame shell are mostly "BSA", in a 1.375" x 24tpi thread standard. You can replace the entire crankset with the integrated spindle style.

@derf9465 4 года назад

Only the Italians would make a crazy bottom bracket thread.

@noahfontaine7832 4 года назад

actually, the British thread is reverse threaded...

@thepaincave8272 4 года назад

The French do the same :( ... Having a cup and cone BB unthread itself on the road and scatter the ball bearings all over the place is a great experience ... Note to self DON'T forget the thread lock!!!

@twofoots5955 3 года назад

Bought a walmart bike.....just trying to tighten the bottom up. It has knocking sounds and some wiggle to it. I doubt the bearings are shot. Its brand new. I did get to buy some new tools. Thats always fun.

@mrenormouscroc Год назад

At 3.28m you say turn counterclockwise for Italian threadings. My Specialized Rockhopper has no indication numbering on ring and drive side is REVERSE threaded, which I understand is more common. Tried normal for a while until figured CAN"T BE! then reversed it off. The curse of Proprietary parts. No damage done All good in the end.

@parktool Год назад

A Rockhopper will have a BSA bottom bracket which is reverse threaded on the drive side.