Shimano Ultegra ST-R8171-LA Di2 Shift/Brake Lever - Left, 2x, Black

Shimano's Ultegra ST-R8171 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO-WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better.

• The wireless connection provides a clean cockpit, enhancing the aerodynamic effect and easy maintenance
• Unparalleled ergonomics engineering refined with feedback from professional riders
• Raised hood peak improves ergonomics
• Brake control is optimized with light and smooth lever action and provides enhanced modulation thanks to an expanded braking control area
• High electronic energy efficiency, with 1.5 to 2 years of battery life from CR1632 shifter batteries
• Can be used with additional satellite shifters
• Supports wireless connection only

• Brake Lever Actuation: Hydraulic
• Double or Triple: Double
• Brake Lever Use: Left
• Drivetrain Speeds: 12
• Front Der/Shifter Compatibility: Shimano Road Di2
• Color: Black
• Hydraulic Fluid Type: Mineral Oil
• Adjustable Reach: Yes
• Weight: 196
• Defined Color: Black