Shimano GRX RT-CL800 S - 160mm | Center Lock Hydration Packs adding the electrolyte profile your

adding the electrolyte profile your body needs when water alone is not enough

Tubeless ready and available in multiple widths

and your phone accessible without digging through the main compartment

or a kids' BMX

The soft tip is wheel-friendly

Shimano GRX RT-CL800 S - 160mm | Center Lock Hydration Packs adding the electrolyte profile yourIs the Shimano GRX RT CL800 160mm Right for Your Gravel Setup? The Shimano GRX RT CL800 S 160mm is the most common rotor size for GRX disc brake builds, offering the best balance of stopping power, heat capacity, and weight for all day gravel riding. Built on ICE TECHNOLOGIES FREEZA with a redesigned arm shape that reduces rotor heat deformation, the RT CL800 addresses the ticking and rubbing noise that occurs when standard rotors warp slightly under