Shimano GRX RD-RX822 1x12V Rear Derailleur

The Shimano GRX RD-RX822 1x12V rear derailleur ensures quiet, safe and precise shifting on mixed terrain. The GS version is compatible with SHIMANO MTB 10-45 tooth cassettes and the SGS version with SHIMANO MTB 12-speed 10-51 tooth cassettes.For your riding freedom: the Shimano Gravel GRX 1x12-speed rear derailleur RD-RX822.Gravel cycling should not be a complicated affair. The appeal of this cycling discipline, with its downhill bar and dirt roads, lies in its simplicity, openness and adventure. No route is impossible. Everyone can ride. Equipment must be functional and reliable without breaking the budget. So whether you're a gravel veteran or a newcomer to rough roads and trails, you'll be delighted with the latest version of the GRX, Shimano's innovative, industry-first, gravel-specific groupset.