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Shimano 
Rear derailleur Grx RD-RX817 11V
£261.33 £227.04 -13%
Optimize your performance in road cycling with the Shimano GRX RD-RX817 derailleur, combining smoothness and reliability.
Description + -
Quiet and uninterrupted rear gear change on rough terrain "Adjustable chain stabilizer prevents chain slap and jump -Rear derailleur SHIMANO SHADOW RD+・Smooth and reliable gear change on various surfaces "Stabilization switch on/off depending on the terrain "Clutch tension suitable for Gravel・Compatible with current DUAL CONTROL road levers・Small sprocket: Max. 11T/Min. 11T min.・Large sprocket: Max. 42T/Min. 40T・Total capacity: 31T
Additional information + -
| Brand | Shimano |
| Supplier reference | IRDRX817 |
| Color | black |
| Color | Black |
| Characteristic | Long coat |
| Assortment | GRX |