- 156
- 11
- 38T
- 34T
Specifications
As listed in the manufacturer's catalog.
General
- Series
- GRX
- Model no.
- RD-RX815
- Color / 1
- Series color
- Rear speeds
- 11
- RD construction / SHIMANO SHADOW RD+
- Yes
- Max. front difference
- 17T
- Total capacity
- 38T
- Fluoric coated link bushings
- 4
- Inner link / Material
- GFRP
- Di2 connectivity wired / Di2 shifting
- Yes
- Firmware update by E-TUBE PROJECT
- Yes
- SD50 port (pcs)
- 1
- SD300 port (pcs)
- 0
- SD50 connector (pcs)
- 0
- SD300 connector (pcs)
- 0
- Power supply / Wired
- Yes
- Average weight (g)
- 287
Applicable derailleur hanger
- SHIMANO ROAD type / Direct attachment (conventional)
- Yes
- SHIMANO ROAD type / Direct mount
- Yes
Low sprocket
- Max.
- 34T
- Min.
- 30T
Top sprocket
- Max.
- 11T
- Min.
- 11T
Pulley
- Guide pulley bearing
- Sealed bearing
- Tension pulley bearing
- Sealed bearing
- Teeth
- 13T
- Screws material
- Stainless steel
Bracket
- Material
- Aluminum
- Finish
- Anodized
B-axle
- Hollow axle
- Yes
- Material
- Stainless steel
B-axle 2
- Material
- Aluminum
- Finish
- Anodized
Bracket body
- Material
- Aluminum
- Finish
- Painted
P-axle
- Material
- Steel
- Finish
- Plated
Plate body
- Material
- GFRP
- Finish
- Painted
Outer link
- Material
- Aluminum
- Finish
- Anodized
Outer plate
- Material
- Aluminum
- Finish
- Painted
Inner plate
- Material
- Aluminum
- Finish
- Painted
Stroke adjusting screw
- Material
- Steel
- Finish
- Plated
How spec sheets write it
The most common ways bicycle spec sheets name it, by number of mentions.
-
Shimano GRX RX815 Di2
-
SHIMANO GRX DI2 RD-RX815
-
Shimano GRX 815 Di2 11-Speed
-
GRX RD-RX815-DI2 - (34T) Rear Derailleur
-
Shimano GRX Di2 RX815 GS
-
Shimano GRX RD-RX815 Di2
-
Shimano GRX 815, Di2, Shadow RD+
-
SHIMANO GRX RD-RX815
Bicycles
Published bicycles that use it, newest model years first.
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