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.

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
Maximum front difference: 17T
Top sprocket: Max. 11T/Min. 11T
Low sprocket: Max. 34T/Min. 30T
Total capacity: 38T

PRODUCT SPECIFICATIONS
MODEL NO: RD-RX815
SERIES: GRX DI2
Color: Series color
Firmware update by E-TUBE PROJECT:
Total capacity: 38T
B-axle Hollow axle:
Mount Direct attachment (Conventional):
Mount Direct Mount:
Fluoric coated link bushings: 4
Low sprocket Max.: 34T
Low sprocket Min.: 30T
Max. front difference: 17T
Pulley G pulley bearing: Sealed bearing
Pulley Teeth: 13T
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