SHIMANO GRX RD-RX817 Di2 11-Speed Rear Derailleur

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

PRODUCT SPECIFICATIONS
MODEL NO: RD-RX817
SERIES: GRX DI2
Color: Series color
Firmware update by E-TUBE PROJECT: ✔
Total capacity: 31T
B-axle Hollow axle: ✔
Mount Direct attachment (Conventional): ✔
Mount_Direct Mount: ✔
Fluoric coated link bushings: 4
Low sprocket Max.: 42T
Low sprocket Min.: 40T
Pulley G pulley bearing: Sealed bearing
Pulley Teeth: 11T
Pulley T pulley bearing Sealed bearing
Top-normal spring type SHIMANO SHADOW RD+: ✔
Top sprocket Max.: 11T
Top sprocket Min.: 11T
Rear speeds: 11
Di2 connectivity wired_Di2 shifting: ✔
SD300 connector (pcs): 0
SD300 port (pcs): 0
SD50 connector (pcs): 0
SD50 port (pcs): 1