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