



I'm trying to put different sized cranks on my bike. I first tried to source the same SRAM power spline 3 piece cranks in a shorter size, but they're so old I can't find them anywhere. Can't find anything else that will fit the stupid power spline BB either.
I have this FSA 2 piece crank which is the right size, but doesn't fit with the power spline BB, so what BB do I buy for the FSA crank (with the bronze spindle)?
I'm fairly certain I have an english, threaded BB shell. It's 68mm wide.
The BB86/30 Compatible label on the spindle is throwing me off. What is the 86 referring to?
Will the SRAM DUB fit? If so, do I choose the 68/73mm, or the 68mm road wide?
Please help I'm going to have an aneurysm.
Thanks
by dudson4
3 Comments
This should work: [bb386 threaded bottom bracket](https://bacchettabikes.com/products/fsa-megaevo-steel-68mm-english-bottom-bracket-for-386-evo-cranks)
The wavy washer goes on the Non-drive side between the crank and the bb cup.
Thats a Ø30 mm crankspindle.
With BSA the cups get quite thin so SRAM invented DUB which is Ø29 mm
IF your bike is 68mm English thread,
https://www.universalcycles.com/shopping/product_details.php?id=50561&attribute=118713&store=14997598&gad_source=1&gad_campaignid=793175996&gbraid=0AAAAAD8_PrXf1l6KNe2qTzRbzqxRK_TZG&gclid=CjwKCAjw4K3DBhBqEiwAYtG_9NeqBGsJ8HtEhZvarJcIG_WZ__on9qFt8A3rVP-kyNlQ2Gvrgfv-hxoCjVsQAvD_BwE
I think that would work?