Chainset & BB options for a retro Bridgestone MTB

Posted on Tue 26th, May 2020

• #1

dk
Hi — an out-of-their-depth roadie looking for some help/advice with a retro MTB project.

I've picked up an old Bridgestone CB2 frameset which I'd like to build up as a fun commuter (with a sturdy rack to carry a dog).

I have an old Deore 10speed shifter, mech & cassette. Ideally I want to run the bike 1x. I also have a 40t 110BDC narrow-wide chain ring in my parts bin which I hope I can use.

Need to sort a BB and chainset — this is where I'm not sure what will work. Ideally want something silver to match the other parts.

Anyone done something similar and have any advice? If so, much appreciated.

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• #2

slothy

Is the BB shell 68 or 73 mm wide? If the latter, Hollowtech options are out (they might be regardless due to clearance). If it were my bike, I'd have a look at Spa Cycles, they do a range of quite affordable square taper cranksets, probably something along the lines of this.
• #3

dk in reply to @slothy

Thanks! The BB shell is a 68mm wide. Will check out Spa.
• #4

AlphaOmega

Nice one, if you end up white cranks i have a truvatic

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