Shimano GRX RT-CL800 S - 180mm | Center Lock Lights Double-walled insulation keeps water cold

Double-walled insulation keeps water cold twice as long as a standard single-wall bottle

anodized aluminum

and the kind of long-term use where most tires give up

Drop one chip into your melted Secret Chain Blend

Shimano GRX RT-CL800 S - 180mm | Center Lock Lights Double-walled insulation keeps water coldWhen Do Gravel Riders Need the Shimano GRX RT CL800 180mm? The Shimano GRX RT CL800 S 180mm is the large diameter option in the GRX rotor lineup, built on ICE TECHNOLOGIES FREEZA with the redesigned arm geometry that reduces heat deformation and associated brake noise during sustained descending. At 180mm, this rotor provides meaningfully more stopping power and thermal capacity than the 160mm version, making it the right choice for heavier riders,