Praxis BB BB30/PF30 Color:To Shimano 73mm to give you the finest

to give you the finest tyre sealant available

Creates a streak-free finish

Stealth® Phantom rubber and Dotty™ tread outsole offers high-friction grip and non-marking utility on and off the bike

English/BSA (MTB Ai: 73mm)

Body-mapped laser perforations on front and back panels increase airflow keeping you cool

Praxis BB BB30/PF30 Color:To Shimano 73mm to give you the finestOur patented elastomer collet design keeps the cartridge bearings outboard of the frame right on spec for greater rigidity and free of frame c clip tolerance issues that other systems deal with. Simply press in the longer non drive cup, then the shorter drive cup threads into it. As the drive cup threads in, our new orange elastomer collet expands outward to a precise machined limit evenly dispersing pressure in your frame shell for a super snug fit.