PRODUCT
M30 BSA BB - For use with BSA threaded frames - also known as an English Threaded frame.
BUY THIS IF :
You are installing a Praxis M30 alloy spindle crank into BSA threaded frame.
MEASUREMENT
68mm Road | 68/73mm MTN | 83mm DH BEARINGS
Cartridge Steel or Ceramic 30mm DRIVE / 28mm Non-DRIVE Ceramic Bearings are Grade 5