
Model No
RD-RX817
Series
GRX
Rear speeds
11
RD construction
SHIMANO SHADOW RD+
✔
Mount
Direct attachment (conventional)
✔
Direct mount
✔
Total capacity
31T
Low sprocket
Max.
42T
Min.
40T
Top sprocket
Max.
11T
Min.
11T
Fluoric coated link bushings
4
Pulley
Guide pulley bearing
Sealed bearing
Tension pulley bearing
Sealed bearing
Teeth
11T
B-axle
Hollow axle
✔
Di2 connectivity wired
Di2 shifting
✔
Firmware update by E-TUBE PROJECT
✔
SD50 port (pcs)
1
SD300 port (pcs)
0
SD50 connector (pcs)
0
SD300 connector (pcs)
0
Average weight
318
Color
Series color