The Praxis Works M30-Euro Threaded Bottom Bracket is made for installing Praxis M30 spindle cranks on a BSA frame, otherwise known as English Threaded frames. Made with forged and machined Alpha Aluminum cups this bottom bracket is built to last without adding much weight. All Praxis M30 BBs come equipped with a 30mm Drive and a 28mm NonDrive bearing.

Features:

• For Praxis M30 spindle cranks being installed on a BSA threaded frame
• 68mm Road / 68/73mm MTB / 83mm DH
• 30mm Drive bearing / 28mm Non Drive bearing | cartridge bearings
• Ceramic version is Grade 5 / ABEC 5 rating
• Forged & machined heat-treated AL Cups