Shimano GRX RD-RX820 Rear Derailleur SLC-Available helping riders stay in an

helping riders stay in an aggressive

making them ideal for fast-paced summer road riding

This construction ensures explosive power transfer during climbs and sprints

The system delivers measurable watts savings through NACA-derived profiles and refined surface modeling

SCOTT added a reflective color option called Vogue/Silver Reflective that remains extremely visible during early morning and late evening bike rides

Shimano GRX RD-RX820 Rear Derailleur SLC-Available helping riders stay in anThe Shimano GRX RD RX820 Rear Derailleur is designed for 12 speed gravel and mixed terrain riding, delivering reliable shifting performance and enhanced drivetrain stability across a wide range of conditions. Built for Shimano GRX 12 speed systems, it supports 1x setups with 1134T and 1136T cassettes, providing versatile gearing for steep climbs, fast descents, and long distance gravel riding. The derailleur features Shimanos Shadow RD+ clutch system,