Praxis Shimano BB30/PF30 MTN Conversion Bottom Bracket - 73mm Rigid Forks The MoFlo cap flows fast

The MoFlo cap flows fast when you squeeze and seals to prevent spills

The zinc-plated cartridge construction provides a corrosion-resistant barrier against moisture and road spray

Compatible with SRAM CenterLine

Constructed from super-flexible tubing that moves naturally with your body

If the spec is close but not quite right

Praxis Shimano BB30/PF30 MTN Conversion Bottom Bracket - 73mm Rigid Forks The MoFlo cap flows fastWhat does the Praxis Shimano BB30 PF30 MTN conversion bottom bracket do? The Praxis Shimano BB30 PF30 MTN Bottom Bracket lets you run a Shimano Hollowtech II mountain crank in a press fit BB30 or PF30 73mm mountain frame, giving you a proper, creak free interface instead of a workaround. The cups are forged and machined from heat treated 7075 T6 aluminum, and the bracket is built precisely to Shimano mountain bearing stance and chain line spec so your