SHIMANO GRX Di2 RD-RX717 1x12-SPEED REAR DERAILLEUR new_product Endurance-tuned frameset: Advanced SL-grade composite

Endurance-tuned frameset: Advanced SL-grade composite delivers lightweight stiffness and smooth compliance for long rides

Original Black - Suitable for less aggressive riding

Beautifully constructed with a strong and slender spindle

Width marks allow personalised fit adjustment

inner tubes

SHIMANO GRX Di2 RD-RX717 1x12-SPEED REAR DERAILLEUR new_product Endurance-tuned frameset: Advanced SL-grade compositeThe SHIMANO RD RX717 GRX Di2 Wireless Rear Derailleur brings electronic precision to gravel and adventure riding. This 12 speed derailleur features wireless shifting via integrated battery (BT DN320 sold separately) with BLE and ANT+ connectivity for seamless gear changes on any terrain. The Shadow ES design includes a low profile skid plate and dual spring chain stabiliser that reduces bounce and skipping on rough surfaces. Enhanced spring force