Originally Posted by icelemmings

Anyway, I have a new chainring/crankset I wanted to put on there anyway but the bottom bracket on the frame isn't threaded.

Originally Posted by dervish

if its standard threading (ISO) and 68 mm then you can get just about any bb, i would suggest a shimano square taper one because its only about 20 bucks. before you do this i would suggest just getting a BB lockring, you can probably find one for a few dollars at your LBS