Shimano 105 ST-R7170-L Di2
Best electronic shifting upgrade for dedicated road cycling enthusiasts.
This electronic shifting and hydraulic braking system delivers precise, intuitive gear changes and reliable stopping power. It offers a clean, wireless cockpit setup with customizable ergonomics, making high-performance road cycling more accessible and easier to maintain.
$465.00
Who it's for
- Road cyclists seeking reliable performance without the hassle of cable stretch
- Long-distance riders prioritizing hand comfort during extended days in the saddle
- Performance-oriented riders who value a streamlined bike setup and easier maintenance
Who should skip it
- Budget-conscious commuters who prefer the simplicity and lower cost of mechanical
- Forgetful adventurers who may struggle with maintaining electronic battery levels
- Weight-obsessed climbers looking to shave every possible gram from their build
Performance breakdown
Shifting Precision
Electronic actuation delivers crisp, reliable gear changes every single time.
Braking Modulation
Hydraulic system offers predictable, nuanced control in all weather conditions.
Ergonomic Customization
Adjustable reach and button mapping tailor the cockpit to your hands.
Maintenance Simplicity
One-way bleeding process makes routine hydraulic upkeep significantly less frustrating.
Cockpit Aesthetics
Wireless connectivity eliminates cable clutter for a clean, modern look.
Rotor Clearance
Wider pad spacing effectively minimizes annoying rotor rub during hard efforts.
Key Specs
Brake Type
Hydraulic Disc
Mounting Type
Flat Mount
Intended Use
Road
Material
Resin pads with finned alloy backplate
Brake Fluid Type
Mineral Oil
Brake Lever Type
Di2 Electronic
Lever Reach Adjustable
Yes
Front Hose Length
1000 mm
Drivetrain Speeds
12
Compatibility
Shimano Road Di2
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