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 cassettes with a 42T low sprocket max.

FEATURES

• Silent and uninterrupted rear shifting on rough terrain
• Adjustable chain stabilizer prevents chain slapping and drops
• SHIMANO SHADOW RD+
• Smooth and reliable mixed surface shifting
• Switch stabilizer ON/OFF to match the terrain
• Gravel-tuned clutch tension
• Compatible with current road DUAL CONTROL LEVER
• Top sprocket: Max. 11T/Min. 11T
• Low sprocket: Max. 42T/Min. 40T
• Total capacity: 31T

SPECIFICATIONS
Total Capacity: 31T
Colour: Series Colour
Average Weight: 318g
Mount: Direct attachment (conventional)/Direct mount compatible
Number Of Pulley Teeth: 11T
Max Low Sprocket: 42T
Min Low Sprocket: 40T 
Rear Speeds: 11
Top Normal Spring Type: Shimano Shadow RD+

SKUs
Product Code: RDRX817
Model No: RD-RX817