\n\t\t\tShimano GRX RD-RX400 10 Speed Rear Derailleur, SGS For Double
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\n\t\t\t- \n\t\t\t\tLow profile Shadow Plus design 10-speed rear derailleur for fast and precise shifting performance
\n\t\t\t- \n\t\t\t\tShadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting
\n\t\t\t- \n\t\t\t\tCompatible with 10-speed HG chains
\n\t\t\t- \n\t\t\t\tWide gear ratio compatible up to 11-36T
\n\t\t\t- \n\t\t\t\tFor use with double chainset
\n\t\t\t- \n\t\t\t\tWeight: 303g
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\n\t\tShimano 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.
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\n\t\tWith 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.