Shimano GRX RD-RX812 11-Speed Rear Derailleur is in stock at warehouse. Please allow up to an additional 2 weeks for delivery.
With an integrated chain stabilizer mechanism, the Shimano GRX derailleur provides a quieter experience with shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain stabilizer. The RD-RX812 rear derailleur is compatible with MTB cassettes with a max cog size of 42T.
- Adjustable, gravel-tuned chain stabilizer prevents chain slapping and drops
- Switch stabilizer ON/OFF to match the terrain
- Silent and uninterrupted rear shifting on rough terrain
- Smooth and reliable mixed-surface shifting
- Compatible with current road Dual Control Levers
- High cog: Max. 11T/Min. 11T
- Low cog: Max. 42T/Min. 40T
- Total capacity: 31T
Located on the beautiful West Coast of British Columbia, Dunbar Cycles & Corsa Cycles are two full service bicycle shops, owned and operated by people who are passionate about every aspects of bicycles.
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With an integrated chain stabilizer mechanism, the Shimano GRX derailleur provides a quieter experience with shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain stabilizer. The RD-RX812 rear derailleur is compatible with MTB cassettes with a max cog size of 42T.
- Adjustable, gravel-tuned chain stabilizer prevents chain slapping and drops
- Switch stabilizer ON/OFF to match the terrain
- Silent and uninterrupted rear shifting on rough terrain
- Smooth and reliable mixed-surface shifting
- Compatible with current road Dual Control Levers
- High cog: Max. 11T/Min. 11T
- Low cog: Max. 42T/Min. 40T
- Total capacity: 31T
