Features:
- FASTEST AND MOST RELIABLE SWITCHING OPERATIONS EVER
- Improved aerodynamics - Revised DUAL CONTROL shift/brake levers with raised and rounded brake grips
- The drive can be adjusted to the rider's preferences via the E-TUBE app
- Among other things, the shift speed can be set, a fully or semi-synchronous shift mode can be selected and the programme buttons on the shift lever can be assigned certain functions
- Wireless where it matters
- SHIMANO's in-house developed, extremely secure Di2 wireless chip scores with low interference probability, unrivalled processing speed and lower energy consumption
- Fastest gear changes front and rear
- The wireless STIs convince with high energy efficiency and a battery life of up to 1.7 years (CR1632)
- Use: Road
- Group: Ultegra Di2 R8150
- Model: ST-R8170-R
- Type: Dual-Control (STI)
- Handlebar mounting: right
- Gear rear: 12-speed
- Optical gear display: No
- Lever reach adjust: Yes
- Handlebar diameter: 23.8mm/24.2mm
- Brake-type: Hydraulic Disc Brake
- Recommended brake caliper: BR-R8170
- Compatible electric wire: EW-SD300
- E-tube Project: Yes
- E-tube port (pcs): 2
- E-tube connector (pcs): 0
- Di2 Wireless-Chip: Yes
Material:
Body: CFRP
Lever: Carbon, painted
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