Shimano GRX RD-RX822 Rear Derailleur 12 Speed Long Cage Direct MountThe Shimano GRX RD-RX822 Rear Derailleur features an integrated chain stabilizer that delivers quieter shifting and more secure chain management in rough terrain. The chain tensioner has an ON/OFF switch for easy wheel removal. This is the long cage version and is compatible with 10-51t, 12-speed Shimano MTB cassettes, meaning you’ll never run out of gears even on the steepest jeep road or high mountain singletrack ascent. The derailleur cage is replaceable and interchangeable between long and medium cages. The Shadow RD+ design, combined with the adjustable chain stabilizer, helps to prevent chain slap and drops. There is an ON/OFF stabilizer switch matches terrain for smooth and reliable shifting on mixed surfaces. Compatible with HG 12-Speed Chains. Weighs 288g.192790303628
