PRODUCT: M30 BSA BB – For use with BSA threaded frames – also known as an English Threaded frame. See photos above!

MEASUREMENT: 68mm Road | 68/73mm MTN | 83mm DH

BEARINGS: Cartridge Steel or Ceramic30mm DRIVE / 28mm Non-DRIVECeramic Bearings are Grade 5 / ABEC 5 rating

TOOL: Use a single M30 Socket Tool or M30 Wrench Tool

NOTE: Praxis M30 bottom brackets have a 30mm Drive and a 28mm NonDrive Bearing. These are specifically made for use with our Praxis M30 spindles. A drive-side wave washer is used for preload of the bearings.