The bottom bracket of choice for riders wanting efficiency and low-friction, the Wheels Manufacturing PressFit 30 Bottom Bracket uses ceramic bearings for an uninhibited rotation. Exterior silicone rings eliminating creaking, this machined aluminium cupped bearing set is sure to improve performance.
- High precision Grade 5, SI3N4 pure ceramic balls
- Exterior silicone ring allows for easy install and eliminates creaking
- USA machined aluminium cups for superior durability
- Virtually frictionless nylon and graphite retainers