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

RD-RX812

shimano_grx_11

RD-RX812

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 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
    • 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

TECHNOLOGIES

PRODUCT SPECIFICATIONS

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

SERIES LINE-UP

  • Cassette Sprocket SHIMANO DEORE XT 11-Speed MTB Cassette Sprocket
  • Bottom Bracket SHIMANO TIAGRA Threaded Bottom Bracket 68/70 mm shell width
  • Bottom Bracket SHIMANO 105 Threaded Bottom Bracket 68/70 mm shell width
  • Cassette Sprocket SLX 11-Speed MTB Cassette Sprocket