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Shimano GRX RD-RX825 GRX Di2, 12-speed rear derailleur, Shadow+, max 36T for double

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  • Detail
    • 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 12-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
    • 12-speed E-tube Di2 compatible
    • Compatible with 12-speed HG Plus chains
    • Wide gear ratio compatible up to 11-36T
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