Shimano GRX RD-RX815 DI2 Rear Derailleur 11-speed (34T max low sprocket)

Shimano GRX RD-RX815 DI2 Rear Derailleur 11-speed (34T max low sprocket)

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.

MODEL NO                   : RD-RX815
SERIES                          : GRX DI2
Color                               : Series color
Average weight               : 287
Mount Direct attachment        : Yes
Firmware update by E-TUBE PROJECT       : Yes
Total capacity                 : 38T
B-axle Hollow axle         : Yes
Sealed bearing guide pulley    : Yes
Sealed bearing tension pulley : Yes
Mount Direct mount compatible     : Yes
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+  : Yes
Top sprocket Max.                  : 11T
Top sprocket Min.                   : 11T
Rear speeds                             : 11
Di2 connectivity wired_Di2 shifting      : Yes
Pulley                                      : 13T
SD300 connector (pcs)           : 0
SD300 port (pcs)                     : 0
SD50 connector (pcs)             : 0
SD50 port (pcs)                       : 1