Shimano GRX RD-RX815 GRX Di2, 11-speed rear
Shimano GRX RD-RX815 GRX Di2, 11-speed rear derailleur, Shadow+, for double Shimano GRX RD-RX815 GRX Di2, 11-speed rear derailleur, Shadow+, for double Check Offer Price Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world Low profile Shadow Plus design 11-speed rear derailleur...