- OVERVIEW
- SPECIFICATIONS
THE SCIENCE OF SPEED: Shimano Ultegra Di2 12-speed STI Dual Control ST-R8170-R
Great speed means great responsibility. That's why, faced with the task of making the new ULTEGRA groupset even faster, Shimano decided to take a holistic and 100% performance-focused approach. Shimano's new 12-speed road groupset delivers unparalleled control and comfort anytime, anywhere - whether you're competing in an amateur race, chasing your personal best, or out for a social ride. That is "Science of Speed". And it's what sets SHIMANO apart from the rest.
Features - Shimano ULTEGRA Di2 ST-R8170-R 12-speed STI Dual Control right for hydraulic Disc Brake
- 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)
TECHNOLOGIES
SEIS SHIMANO ELECTRONIC INTELLIGENT SYSTEM
E-Tube
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
Body: CFRP
Lever: Carbon, painted
THE SCIENCE OF SPEED: Shimano Ultegra Di2 12-speed STI Dual Control ST-R8170-R
Great speed means great responsibility. That's why, faced with the task of making the new ULTEGRA groupset even faster, Shimano decided to take a holistic and 100% performance-focused approach. Shimano's new 12-speed road groupset delivers unparalleled control and comfort anytime, anywhere - whether you're competing in an amateur race, chasing your personal best, or out for a social ride. That is "Science of Speed". And it's what sets SHIMANO apart from the rest.
Features - Shimano ULTEGRA Di2 ST-R8170-R 12-speed STI Dual Control right for hydraulic Disc Brake
- 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)
TECHNOLOGIES
SEIS SHIMANO ELECTRONIC INTELLIGENT SYSTEM
E-Tube
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
Body: CFRP
Lever: Carbon, painted