Machined aluminum shell threads together for precise bearing alignment and frame fit, reducing bottom bracket creaking and premature bearing wear.

• Replaceable Enduro bearings
• Made in the USA
• For use with 30mm spindle cranksets used in PF30 frames
• A great choice for use with RaceFace Cinch cranks
• Spindle length must be 103mm or longer when used in a 68mm wide shell, 108mm or longer when used in a 73mm wide shell
• 3.5mm cup spacers are needed if being used with Specialized Carbon OSBB with 61mm shell width