Shimano GRX RD-RX717 Wireless Di2 12 Speed Rear Derailleur E1 Fits Sram XX trigger shifter
Baker’s notes & crumb story
Description
Shimano GRX RD RX717 Wireless Di2 12 Speed Rear Derailleur E1 Fits Sram XX trigger shifter Fits Sram XX trigger shifter it’s easy to dial in a perfect fit for every rider