Shimano GRX RD-RX810 11-Speed Rear Derailluer 2026 size Shadow Plus

evo.com | Shimano Rear Derailleurs > Gravel riding has evolved to the point where a mixed-surface drivetrain makes a whole lot of sense: the Shimano GRX RD-RX810 11-Speed Rear Derailleur has an adjustable clutch to retain your chain as you contend with rapidly-changing terrain. Compatible with road cassettes with cogs up to 34 teeth, this hits the sweet spot that neither road nor mountain derailleurs can. Compatible with HG-EV 11-Speed Shimano Chains and Road Shifters Gravel-Tuned Clutch Tension Mixed Surface Design The adjustable chain stabilizer on this derailleur prevents chain slapping and drops on rough terrain, even while shifting. Largest Cog 34t Changes Gears Smoothly | Shimano GRX RD-RX810 11-Speed Rear Derailluer 2026 - Shadow Plus