Quick view Add to Cart Shimano Shimano RD-RX817 GRX Di2 1x11 Speed Shadow+ Gravel Electronic Rear Derailleur GS MSRP: $357.11 Compare
Quick view Add to Cart Shimano Shimano RD-RX815 GRX Di2 11 Speed Shadow+ Double Gravel Electronic Rear Derailleur SGS MSRP: $322.07 Compare
Quick view Choose Options Shimano Shimano RD-RX827 GRX Di2 12 Speed Shadow ES Rear Derailleur SGS For 51T single MSRP: $539.08 Compare
Quick view Add to Cart Shimano Shimano RD-RX825 GRX Di2 2x12 Speed Shadow+ Wireless Rear Derailleur MSRP: $374.63 Compare
