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Shimano ULTEGRA Di2 ST-R8170 2x12-speed STI Dual Control Set
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Shimano ULTEGRA Di2 ST-R8170 2x12-speed STI Dual Control Set
The redesigned Shimano Ultegra Di2 ST-R8170 levers feature new ergonomics and even more precise brake modulation thanks to SHIMANO's proven SERVO WAVE technology. Wireless electronic shifting provides even more control.
E-Tube
THE SCIENCE OF SPEED: Shimano Ultegra Di2 2x12-speed STI Dual Control Set ST-R8170
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 2x12-speed STI Dual Control Set for hydraulic Disc Brakes
- 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)
Product features
- Use: Road
- Group: Ultegra Di2 R8150
- Model: ST-R8170 Set
- Type: Dual-Control (STI)
- Handlebar mounting: left / right
- Gear front: 2-speed
- 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): each 2
- E-tube connector (pcs): 0
- Di2 Wireless-Chip: Yes
Material
- Body: CFRP
- Lever: Carbon, painted
Color
- Series color
Scope of delivery
- 1 x Shimano Ultegra Di2 ST-R8170 2x12-speed STI Dual Control Set for Hydraulic Disc Brakes
Technologies
SEIS SHIMANO ELECTRONIC INTELLIGENT SYSTEMThe SEIS innovative shift technology is still based on the SHIMANO INDEX SYSTEM (SIS) that has proved its superior gear changing characteristics over the years. The big difference is that in this case, the shifting action is provided for by electronics instead of mechanics. This electronic shifting system has been extensively tested over past two years by several professional riders in all conditions possible, such as rain, mud, low temperatures, cobble stone roads and combinations of all of these at the same time. Shifting is executed by simply pressing the button. No power is needed to shift, which gives important advantages since it is easier now to always keep a tight grip on the handlebar and to keep your concentration on riding instead on shifting. The shift system allows accurate and effortless shifting in difficult circumstances like when you have cold hands or when you are completely exhausted. Furthermore, the shifting performance will never be affected by contaminated or stretched cables since the shifting signal is transferred electronically. The operating buttons work similarly to mechanical Dual Control Levers so you don’t need to re-program your mind for a new system.
E-Tube
E-Tube platform offers optimum flexibility on your bike. E-TUBE transmits interactive signals and power supply to each parts by “Plug & play” connection. E-TUBE is no rust, no stretch, no freeze and it ensures advanced low maintenance. And SM-PCE1 connects between PC and components to update firmware. Digital device stay the latest version with updating firmware for improve function.
ISTR8170RE + ISTR8170LE
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