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Product Image Shimano RD-RX815 GRX Di2, 11-speed rear derailleur, Shadow+, for double

Shimano RD-RX815 GRX Di2, 11-speed rear derailleur, Shadow+, for double

£249.00


RD-RX815

SHIMANO GRX - Rear Derailleur - SHIMANO SHADOW RD+ - 42T 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-RX815 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with road cassettes with a 34T low sprocket max.

  • FEATURE
              staitabilizer 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
    • Total capacity: 38T
    • Smooth and reliable mixed surface shifting
    • Compatible with current road DUAL CONTROL LEVER
    • Maximum front difference: 17T
    • Top sprocket: Max. 11T/Min. 11T
    • Low sprocket: Max. 34T/Min. 30T

     

    This rear derailleur should only be used with the double chainset and a cassette with range no wider than 11-34T for proper function. 

    MODEL NO RD-RX815
    SERIES SHIMANO GRX DI2
    Average weight 287 g
    Top-Normal spring type_SHADOW RD+
    Direct attachment
    E-tube connector (pcs) 0
    E-tube port (pcs) 1
    Firmware update by E-TUBE Project
    Fluoric coated link bushings 4
    Low sprocket_Max. 34T
    Low sprocket_Min. 30T
    Max front difference 17T
    Rear speeds 11
    Sealed bearing guide pulley
    Sealed bearing tension pulley
    Top-Normal Spring Type SHADOW RD+
    Top sprocket_Max. 11T
    Top sprocket_Min. 11T
    Total capacity 38T



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