Shimano GRX RD-RX717 Wireless Di2 12 Speed Rear Derailleur D4 in Aubervilliers (near Paris)

in Aubervilliers (near Paris)

Beyond that

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

* Clik Valve™ is a trademark of Ralf Bohle GmbH (Schwalbe)

Shimano GRX RD-RX717 Wireless Di2 12 Speed Rear Derailleur D4 in Aubervilliers (near Paris)The 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