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.
- 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.
- Switch stabilizer ON/OFF to match the terrain.
- Gravel-tuned clutch tension.
Specifications
- Material Aluminum
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Weight
267
- Mounting Direct mount
- Total Capacity 31T
- Low Sprocket Max 42T
- Low Sprocket Min 40T
- Top Sprocket Max 11T
- Top Sprocket Min 11T
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What's Included
- 1 x Shimano GRX RD-RX812 Rear Derailleur - 11 Speed
- 1 x Shimano GRX RD-RX812 Rear Derailleur - 11 Speed
- Speed 11-speed
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Compatibility
LINKGLIDE, HG 11-speed
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