GRX CL800 Disc Brake Rotor Type:External Serration featuring a lower profile structurally

featuring a lower profile structurally optimized with a 15% infused carbon fiber composition

High load capacity enabling transport of e-bikes and heavy mountain bikes

Stow BikeSmart's ShockFlate in your pack or on your workbench and keep your suspension dialed in

Includes connection cable & mounting hardware

Front Brake Disc brake with hydraulic control

GRX CL800 Disc Brake Rotor Type:External Serration featuring a lower profile structurallyThe Shimano RT CL800 disc brake rotor provides quiet and consistent braking control for any terrain. FEATURES: Consistent braking performance on any long, steep descent thanks to excellent heat dissipation Robust arm shape for quiet operation without sacrificing weight or heat dissipation 1. 5mm thickness Includes lock ring with internal serration SPECS: Rotor Type: Two Piece Hub Disc Compatibility: Center Lock Disc Pad Compatibility: All Pad Compounds