
BikeTiresDirect
Shimano GRX RD-RX817 11-Speed Di2 Rear Derailleur
- BikeTiresDirect$400Buy
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From BikeTiresDirect
The Shimano GRX 11-speed Di2 rear derailleur integrates electronic shifting with silent and uninterrupted rear operation on rough terrain. | Shimano GRX RD-RX817 11-Speed Di2 Rear Derailleur