Shimano GRX Ultegra RT-CL800 140/160mm Center Lock Brake Rotor w/Lockring Bike For Sale

Shimano GRX Ultegra RT-CL800 140/160mm Center Lock Brake Rotor w/Lockring ICE TECHNOLOGIES FREEZA Road Gravel BikeUpgrade your road and gravel bike braking performance with the Shimano RT-CL800 rotor. Designed for Ultegra and GRX groupsets, this 160mm center lock rotor delivers consistent, fade-free, and ultra-quiet braking for daily riding, long-distance touring, and aggressive mixed-terrain cycling.Equipped with Shimano’s famous ICE TECHNOLOGIES FREEZA triple-layer cooling structure, the rotor efficiently dissipates heat during continuous braking. It effectively prevents thermal expansion, rotor warping, and brake fade, offering stable braking feel even on prolonged steep descents.This listing includes the original center lock lockring for secure, tool-friendly installation. Lightweight yet rigid, the RT-CL800 is the perfect OEM upgrade and replacement for modern road, gravel, and cyclocross bikes.Key Benefits

• Superior Heat Dissipation – ICE FREEZA 3-layer steel-aluminum-steel structure cools faster and eliminates brake fade
• Stable & Quiet Braking – Optimized rotor geometry reduces vibration, rubbing noise and uneven wear
• Lightweight Construction – Precise 3D machined aluminum carrier lowers overall bike weight without losing stiffness
• Easy Installation – Standard Center Lock system, comes with matching lockring for direct replacement
• Wide Compatibility – Works perfectly with Shimano GRX, Ultegra disc brake systems (narrow brake pads only)

Specifications

• Model: RT-CL800
• Thickness: 1.75mm
• Weight: approx 114g (rotor only)
• Mount Type: Center Lock
• Structure: Triple-layer ICE TECHNOLOGIES FREEZA
• Pad Type: Narrow resin / metal brake pads
• Fit For: Road Bike, Gravel Bike, Cyclocross Bike
• Package Includes: 1 x Brake Rotor + 1 x Center Lock Lockring

Important NoticePlease confirm your bike hub supports Center Lock mounting and your caliper uses narrow brake pads before purchasing. Professional installation is highly recommended to ensure optimal braking performance and riding safety.