Shimano GRX RT-CL800 S - 140mm | CenterLock Degreaser 25-inch casing delivers the volume

25-inch casing delivers the volume and compliance needed for off-road confidence on smaller-wheeled bikes

and the valve core threads accept most standard presta adapters and inflators cleanly

refining the interface for improved functionality while trimming weight to just 185g for a component that raises the bar on what an integrated cockpit stem should be

For newer riders making the jump to clipless

Overload Clutch

Shimano GRX RT-CL800 S - 140mm | CenterLock Degreaser 25-inch casing delivers the volumeWhy Do Gravel Riders Choose the Shimano GRX RT CL800 140mm? The Shimano GRX RT CL800 S 140mm is the small diameter center lock disc brake rotor designed for Shimano's gravel specific GRX disc brake platform, built on ICE TECHNOLOGIES FREEZA construction with a redesigned rotor arm geometry engineered to minimize heat deformation. FREEZA uses a three layer stainless aluminum stainless sandwich with an extended radiator fin, and the RT CL800's new arm