Kogel offers the gold standard with their tailored seal, high quality ceramic bottom brackets. Your bottom bracket is critical in transferring power from your legs to your wheels, so you should want the best available. Kogel's line of ceramic bottom brackets work to minimise friction, maximise stiffness and last for years. The silicon nitride ceramic bearings used by Kogel are harder, smoother and rounder than even the highest-grade steel balls, and are even immune to rust.
Road seals are designed with the highest possible efficiency in mind, built to create the lowest friction possible from a sealed bearing.
PF30A is an asymmetric bottom bracket found on Cannondale carbon frames: SuperSix Evo, SystemSix and Slice.
Features
More symmetrical (i.e. round) and built to stricter tolerances than steel bearings
More efficient for power transfer than standard bearings
Won't deform, flat-spot, crack or get pitted
Top-tier grade 3 ceramic balls are the best selection for bicycle applications (Ball grade rates the roundness of the ball)
Payment & Security
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