Shimano Ultegra ST-R8170 Di2 Control Levers
Best electronic shifting upgrade for serious road cyclists seeking precise control.
Experience the pinnacle of road cycling control with these electronic shifting and hydraulic brake levers. They offer a refined ergonomic feel and customizable fit, ensuring peak performance and comfort on every ride. Seamlessly integrate them into your 12-speed Di2 setup for a truly connected cycling experience.
$404.99
at
Marblehead Cycle
More Ultegra options
Who it's for
- Cyclists seeking a clean, clutter-free cockpit and lightning-fast shifting
- Long-distance riders needing superior comfort for all-day endurance rides
- Descending enthusiasts wanting reliable, one-finger braking confidence
Who should skip it
- Budget-conscious riders prioritizing value over high-end electronic performance
- Home mechanics preferring simple, low-maintenance mechanical setups
- Weight-weenies chasing the absolute lightest possible build configuration
Performance breakdown
Shift Precision
Instantaneous gear changes that remain flawless under heavy pedaling loads.
Braking Modulation
Exceptional stopping control that inspires confidence on technical, high-speed descents.
Ergonomic Comfort
Refined hood shape reduces hand fatigue during long, grueling rides.
Cockpit Integration
Wireless connectivity significantly cleans up the front end of your bike.
Customization Depth
Extensive button mapping options allow for a truly personalized shifting experience.
Weight Efficiency
Lightweight materials balance durability with the demands of competitive road racing.
Key Specs
Drivetrain Speeds
2x12
Brake Lever Actuation
Hydraulic
Hydraulic Fluid Type
Mineral Oil
Compatibility
Shimano Road Di2
Battery Type
CR1632
Wireless
Yes
Shifter Type
Dual Control Lever
Series
Ultegra R8100
Adjustability
Position Adjust
Weight
391 grams
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