Shimano
Shimano GRX RD-RX717 Di2 1x12 Speed Rear Derailleur
£379.99
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The latest generation of Shimano GRX 12-speed components brings race-proven Di2 electronic shifting to modern gravel and off-road bikes.
The latest generation of Shimano GRX 12-speed components brings race-proven Di2 electronic shifting to modern gravel and off-road bikes.