Praxis BB BB30/PF30 Color:To Shimano 73mm Because we use the finest

Because we use the finest ingredients and surfactants

Weight: Estimated 499g

We've used our knowledge of making stems for almost 20 years to create a new

Creates a streak-free finish

Praxis BB BB30/PF30 Color:To Shimano 73mm Because we use 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.