SHIMANO
STI lever Shimano Ultegra ST-R8170 2 speeds, left, Di2
Shimano ULTEGRA Di2 ST-R8170 2-speed STI Dual Control left
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.
Features - Shimano ULTEGRA Di2 ST-R8170-L 2-speed STI Dual Control left 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)
Product features
Use: Road
Group: Ultegra Di2 R8150
Model: ST-R8170-L
Type: Dual-Control (STI)
Handlebar mounting: left
Gear front: 2-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