Shimano GRX RD-RX717 Wireless Di2 12 Speed Rear Derailleur cassons 8-degree XS:50mm

8-degree XS:50mm

Pedalling Smoothness

Comfortable lightweight strap system

Optimally balanced hydraulic brake system for racing

Material: plastic

Shimano GRX RD-RX717 Wireless Di2 12 Speed Rear Derailleur cassons 8-degree XS:50mmThe Shimano GRX RD RX717 Wireless Di2 Rear Derailleur is designed to give gravel riders the durability and gear range to pursue any off road exploration that tickles their fancy. This derailleurs wedge shaped body is filled with a low profile Shadow ES stabiliser that produces excellent chain retention and reduced chain slap over rough terrain, and the lower profile construction produces excellent clearance over trail obstacles. Because it is