With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an ON/OFF switch for the chain tensioner. Its compatible with current road dual control lever and gives you precise shifting every time. Shimano Grx RD-RX812 11 Speed Derailleur Features Adjustable chain stabilizer prevents chain slapping & drops Smooth and reliable mixed surface shifting Compatible with current road dual control lever Top sprocket: Max. 11T/Min. 11T Low sprocket: Max. 42T/Min. 40T Total capacity: 31T
Best Price: £109.99 from Leisure Lakes Bikes
| Stockist | Catalogue Product Name | Price | |
|---|---|---|---|
| Shimano GRX RD-RX812 11 Speed Rear Derailleur Shadow+ Black | £109.99 | Visit Store |
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