The SCYS ceramic bottom bracket is a simple and effective after-market upgrade proven to save you watts. Friction reduction is the biggest improvement trend since the aero craze, and there's no bigger area of power loss from friction than within the drivetrain. All SCYS products are high-grade and race-worthy to ensure a positive difference in your cycling experience.
Top grade ceramic bearings with stainless steel races; precision machined anodized aluminum cups and telescopic center sleeve
Compatible with all PF30 (46 mm diameter) BB shells
Note: like all PF30 BBs, our BB may require spacers and/or reducers can for non–BB30 crankset installation