Praxis M30-Thru BSA Threaded Bottom Bracket

The Praxis M30-Thru BSA BB is designed for installing Doon and Lyft cranks into BSA threaded frames. It also supports other 30mm spindle cranks, including SRAM, RaceFace/Easton Cinch, Rotor Rex/3D+, and CaneCreek eeWings.

Specifications

• Product: M30-Thru BSA Threaded Bottom Bracket

• Compatibility: Praxis Doon or Lyft cranks; other 30mm spindle cranks as listed above

• Shell Widths: 68mm Road | 68/73mm MTB

• Bearings: Cartridge steel or ceramic (Grade 5 / ABEC 5 for ceramic version)

• Bearing Sizes: 30mm drive / 30mm non-drive

• Material: Forged & machined heat-treated alloy cups

• Weight: 100g

• Installation Tool: Single M30 socket tool or M30 wrench tool required

Important Notes

• Recommended spindle length:

  • 103mm or longer for Road

  • 108mm or longer for MTB

The M30-Thru BSA BB ensures rigid, precise, and durable support for 30mm spindle cranks in BSA threaded frames, providing smooth drivetrain performance.