Keep your cadence steady and your composure intact, thanks to the impressive efficiency of the Shimano GRX 1 x 12-speed configuration meticulously crafted to support you in maintaining the ideal rhythm even on challenging terrain. Experience heightened chain security and smoother gear transitions during your gravel rides.

This Shimano GRX 1x12 rear derailleur, equipped with an integrated chain stabilizer, ensures smoother shifting and enhances chain control when tackling rugged terrain. The RD-RX822-SGS model is designed to harmonize with 10-51T, 12-speed Shimano MTB cassettes, ensuring you always have ample gear options, even when conquering the steepest jeep roads or scaling high mountain singletrack trails. Plus, the chain tensioner features a convenient ON/OFF switch, simplifying wheel removal.