With our fastest, most accurate shifting, the new 12-speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28-34T low sprockets.
PRODUCT SPECIFICATIONS
| Remarks |
w/o Bracket spec. available |
| Firmware update by E-TUBE PROJECT |
✔ |
| Total capacity |
39T |
| Charging port (pcs) |
1 |
| B-axle_Hollow axle |
✔ |
| B-axle 2_Hollow axle |
✔ |
| Mount_Direct Mount |
✔ |
| Fluoric coated link bushings |
4 |
| Low sprocket_Max. |
34T |
| Low sprocket_Min. |
28T |
| Max. front difference |
16T |
| Pulley_G pulley bearing |
✔ |
| Pulley_Sunken type pulley bolt |
✔ |
| Pulley_Teeth |
11 |
| Pulley_T pulley bearing |
✔ |
| Top-normal spring type_SHIMANO SHADOW RD |
✔ |
| Top sprocket_Max. |
14T |
| Top sprocket_Min. |
11T |
| Rear speeds |
12 |
| Di2 connectivity wired_Di2 shifting |
✔ |
| Di2 connectivity wireless_ANT private (*2)_Adjust mode information |
✔ |
| Di2 connectivity wireless_ANT private (*2)_Di2 battery level |
✔ |
| Di2 connectivity wireless_ANT private (*2)_Gear position |
✔ |
| Di2 connectivity wireless_ANT private (*2)_SHIMANO STEPS data items (*3) |
✔ |
| Di2 connectivity wireless_Bluetooth® LE custom (*1)_Adjust mode information |
✔ |
| Di2 connectivity wireless_Bluetooth® LE custom (*1)_Compatible with E-TUBE PROJECT |
✔ |
| Di2 connectivity wireless_Bluetooth® LE custom (*1)_Compatible with E-TUBE RIDE |
✔ |
| Di2 connectivity wireless_Bluetooth® LE custom (*1)_Di2 battery level |
✔ |
| Di2 connectivity wireless_Bluetooth® LE custom (*1)_Gear position |
✔ |
| Di2 connectivity wireless_Bluetooth® LE custom (*1)_SHIMANO STEPS data items (*3) |
✔ |
| Di2 connectivity wireless_Di2 shifting |
✔ |
| LED for system status |
✔ |
| SD300 connector (pcs) |
0 |
| SD300 port (pcs) |
1 |
| SD50 connector (pcs) |
0 |
| SD50 port (pcs) |
|
| MODEL NO |
RD-R8150 |
| SERIES |
ULTEGRA R8100 Series |
| Color |
Series color |
| Average weight |
262 |
