Shimano GRX RD-RX717 Wireless Di2 12 Speed Rear Derailleur D4 Cannondale Kit Derailleur Hanger KF051

Cannondale Kit Derailleur Hanger KF051 Rize Rush Prophet Tandem

The 60 TPI nylon Race Casing combined with the new XC Race construction

5-in-1 design

mirroring the Prizm™ lens colors seen in Oakley eyewear

Two widths with improved foot suitability across different shapes and types: standard and wide/Asian

Shimano GRX RD-RX717 Wireless Di2 12 Speed Rear Derailleur D4 Cannondale Kit Derailleur Hanger KF051The 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