Praxis BB BB30/PF30 Color:To Shimano 73mm We've used our knowledge of

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

to give you the finest tyre sealant available

Creates a streak-free finish

Rear hub feature torque carrying capacity and durability have been enhanced via hardened steel 24T ratchets

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

Praxis BB BB30/PF30 Color:To Shimano 73mm We've used our knowledge ofOur 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.