SHIMANO GRX DI2 Rear Derailleur 11-speed (34T max low sprocket)

RD-RX815

shimano_grx

RD-RX815

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-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
    • 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
    • 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

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO RD-RX815
SERIES SHIMANO GRX DI2
Average weight 287 g
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

SERIES LINE-UP

  • Bottom Bracket SHIMANO 105 Threaded Bottom Bracket 68/70 mm shell width
  • FREEHUB SHIMANO Disc Brake E-THRU Axle Rear FREEHUB 10/11-speed
  • Hub SHIMANO Disc Brake Front Hub 100x12 mm E-THRU
  • Disc Brake Rotor SHIMANO ULTEGRA CENTER LOCK Disc Brake Rotor 160/140 mm