Shimano GRX RX812 Rear Derailleur 1x11-speed
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Shimano GRX is a gravel specific components group with gravel optimized gearing options and rugged reliability. Not a modified set of road components, it was designed from the ground up as a gravel specific groupset. GRX eliminates any excuses urging you to try that rough sidetrack or ride that little bit longer. It offers you the option to Explore Beyond!
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The integrated chain stabilizer mechanism on the new SHIMANO GRX derailleur makes for a quieter ride while delivering precise, fast and reliable shifting on all types of terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner.
The RD-RX812 rear derailleur is compatible with MTB cassettes with a 42T low sprocket max.
- Silent and uninterrupted rear shifting on rough terrain
- Adjustable chain stabilizer prevents chain slapping and drops
- SHIMANO SHADOW RD+
- Smooth and reliable mixed surface shifting
- Toggle clutch ON/OFF to match the terrain
- Gravel-tuned clutch tension
- Compatible with current road DUAL CONTROL LEVER
- Top sprocket: Max. 11T/Min. 11T
- Low sprocket: Max. 42T/Min. 40T
- Total capacity: 31T
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