Shimano GRX RD-RX817 11 Speed Rear DerailleurShimano GRX RD RX817 11 Speed Rear Derailleur 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 RX817 Di2 version offers the digital precision of Shimano electronic shifting and synchronized shifting and is compatible with MTB cassettes with a
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Shimano GRX RD-RX817 11 Speed Rear Derailleur
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-RX817 Di2 version offers the digital precision of Shimano electronic shifting and synchronized shifting and is compatible with MTB cassettes with a 42T low sprocket max.
Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world. It isn’t a reworked set of road components. It represents a ground up look at how cyclists want to explore their world. Shimano GRX helps you eliminate excuses, instead urging you to try that rough sidetrack or ride that little bit longer. It offers you the option to Explore Beyond.
Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world
Low profile Shadow Plus design 11-speed rear derailleur with Di2 technology for fast and precise shifting performance
Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting
High tolerance cold forged aluminium link plates and body construction is extremely light and durable
11-speed E-tube Di2 compatible
Compatible with 11-speed HG chains
Wide gear ratio compatible up to 11-42T
For use with single chainset
Supplied as the derailleur only OE (hence significant cost saving)