With an integrated chain stabiliser mechanism, the Shimano GRX RX 815 Di2 Rear Derailleur provides a quieter experience and shifting security and precision on mixed terrain.Adjustable chain stabiliser prevents chain slapping and dropsSwitch stabiliser ON/OFF to match the terrainSilent and uninterrupted rear shifting on rough terrainLow sprocket: Max. 34T/Min. 30TSuitable for use with double chainsetsFor rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner allowing you to adapt to the type of surface ahead. The adjustable chain stabiliser prevents chain slapping and drops and gives you silent and uninterrupted shifting on rough terrain.
Best Price: £256.49 from Tweeks Cycles
| Stockist | Catalogue Product Name | Price | |
|---|---|---|---|
| Shimano GRX RD-RX815 Di2 11-Speed Shadow+ Rear Derailleur - For Double | £256.49 | Visit Store |
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