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convert cranks

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1/23/2012 5:29 PM

I want to convert from mtb cranks to bmx cranks on my dirt jumper what type of bottom bracket should I get?


1/24/2012 7:39 AM

let us know what model and year bike you have and we'll be able to help.


1/24/2012 9:48 AM

Any "Euro" BMX BB should work as long as the axle fits the bearings. Most are the standard 19mm size.


1/24/2012 2:28 PM

ok cool ya my cranks are 19mm and i have the kona shred


1/25/2012 8:57 AM

So check Dan's Comp and get any "Euro" BB you fancy. The only other issue you might run into is the length of the BB spindle/axle. You need frame clearance for the gearing and AT LEAST go half way through each crank arm, though it's best to have much more. Profile makes a few different lengths. The standard BMX length of 5 5/8? usually wont work.