SHIMANO GRX - DI2 - 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-RX817 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with mtb cassеttes with a 42T low sprocket max.
FEATURE
•Adjustаble 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-RX817
SERIES - SHIMANO GRX DI2
Average weight - 318 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. - 42T
Low sprocket_Min. - 40T
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 - 31T
