RR MECH RX817 GRX Di2 11sp Shad+ Sin 42T

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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
Weight: 318 g