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The Shimano GRX RD-RX810 11-Speed Rear Derailleur brings mountain bike technology to the road with a clutch equipped rear derailleur for smooth shifting on rough roads. Due to the integrated Shadow RD Technology with its race-proven low profile design the derailleur is more compact and fits closer to the frame ensuring less damage in a crash. The adjustable chain stabilizer prevents chain slapping and drops with the gravel-tuned clutch tension providing silent and uninterrupted rear shifting on rough terrain.
- Weight: 255g
- Compatibility: 1x or 2x chainring; 11-speed
- Sprockets: Top: 11T; Low: Max 34T/Min 30T; Total Capacity: 40T
- Cassette Size: 11-40t to 11-34t
- Chain Compatibility: HG-EV 11-speed; HG-X11