Blackops Conversion Kit BB

Blackops Conversion Kit BB
This Blackops Conversion Kit BB is for Tapered Cranks. It fits American sized bottom brackets that ar often found on older steel bmx frames from back in the day.
Try to esimate the length you need but most common is 122mm. Sometimes the only way to find out is to measure your existing axle or if 122mm is to short go with 130mm. You want to end up with a nice chain alignment.

American style BB for older three piece cranks
American BB for 3-piece cranksets, 3pc
Fits 68mm American frames
Steel construction
Weight: 517g