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Product Image Shimano RD-RX812 GRX 11-speed rear derailleur, Shadow+, for single ring chainset

Shimano RD-RX812 GRX 11-speed rear derailleur, Shadow+, for single ring chainset

£99.00


SHIMANO GRX - DI2 - Rear Derailleur - SHIMANO SHADOW RD+ - 34T max low sprocket - 11-speed

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-RX812 rear derailleur is compatible with mtb cassettes with a 42T low sprocket max.

  • FEATURE
    • Adjustable chain stabilizer prevents chain slapping and drops
    • Switch stabilizer ON/OFF to match the terrain
    • Gravel-tuned clutch tension
    BENEFIT
    • Silent and uninterrupted rear shifting on rough terrain
    • Smooth and reliable mixed surface shifting
    • Compatible with current road DUAL CONTROL LEVER
    • Top sprocket: Max. 11T/Min. 11T
    • Low sprocket: Max. 42T/Min. 40T
    • Total capacity: 31T
    MODEL NO RD-RX812
    SERIES SHIMANO GRX 11-speed
    Color Series color
    Average weight 267 g
    B-Axle_Hollow axle
    Cable adjuster
    Compatible chain HG-EV 11-speed/HG-X11
    Direct attachment (Conventional)
    Fluoric coated link bushings 4
    Low sprocket_Max. 42T
    Low sprocket_Min. 40T
    Pulley_G pulley bearing
    Pulley_Sunken type pulley bolt
    Pulley_Teeth 11T
    Pulley_T pulley bearing
    Rear speeds 11
    Top-Normal spring type_SHADOW RD+
    Top-Normal Spring Type SHIMANO SHADOW RD+
    Top sprocket_Max. 11T
    Top sprocket_Min. 11T
    Total capacity 31T



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