M30 68/73mm BSA Silver Bottom Bracket

Praxis M30 English Threaded/BSA Bottom Bracket

The Praxis M30 BSA Bottom Bracket is designed for installing M30 spindle-based cranks into English Threaded/BSA frames. Its patent-pending design keeps the cartridge bearings outboard of the frame, providing greater rigidity and eliminating the tolerance issues common with other systems.

Key Features:

• Compatible with M30 spindle-based cranks only

• Fits English Threaded/BSA frames

• Forged & machined heat-treated 7075 T6 aluminum

• 30mm drive / 28mm non-drive steel cartridge bearings

• Available in 68mm Road and 73mm MTB versions

• Requires M30 BB tool for installation (sold separately)

• MTB Guides Compatibility: ISCG05 – compatible, ST mounted – compatible, ISCG03 – not compatible