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FROM THE MANUFACTURER
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 and ON/OFF switch for the chain tensioner. The RD-RX812 rear derailleur is compatible with mtb cassettes with a 42T low sprocket max.
FEATURES
| Performance |
Silent and Uninterrupted Rear Shifting on Rough Terrain Smooth and Reliable Mixed Surface Shifting |
SPECIFICATIONS
- Compatibility
Compatible with current road DUAL CONTROL LEVER - Top Sprocket: Max 11t / Min 11t
- Low Sprocket: Max 42t / Min 40t
- Total Capacity: 31t
- Weight: 267g
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Review Shimano RD-RX812 GRX Rear Derailleur 11-SPEED 1x11
