Shimano Ultegra R8170 12 Speed Di2 Shifter

Road riding has never been this much fun. That's because the redesigned Ultegra ST-R8170 Dual Control Levers and BR-R8170 Caliper have unparalleled all-new ergonomics engineering refined with pros' feedback by raising the hood peak, even more precise brake modulation, quieter brake system, easier than ever bleed process, and wireless electronic shifting. This trifecta lets you focus on the next sprint, the next descent, or the next joke from your riding partner. 

Sleek wireless cockpit brings simplicity and clean aesthetics. Wireless connection enhances the aerodynamic effect and easy maintenance. Shimano's new Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven Servo Wave technology. Ultegra BR-R8170 disc brake caliper provides a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain. 

The all-new Di2 platform, used on both Dura-Ace and Ultegra, untethers the shifters while delivering our fastest, most reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better. Ultegra ST-R8170 is compatible with wired & wireless connect and easy to change of CR1632 shifter batteries that provide high electronic energy efficiency of 1.5 to 2 years of battery life.

Shifter Model: ST-R8170-R

• Series: Ultegra R8100
• Rear speed: 12
• Firmware update by E-Tube project: ✔
• Remote switch: ✔
• Port for remote sprinter shifter (pcs): 0
• Brake lever (clamp band): 23.8-24.2mm
• Brake lever (reach adjust): ✔
• Brake lever (fluid): Shimano mineral oil
• Brake lever (free stroke adjust): ✔
• Brake lever (servo wave): ✔
• Brake hose (Kit): SM-BH90-JK-SSR
• Brake lever (funnel bleeding): ✔
• Brake lever (hose joint): Straight
• Battery: CR1632
• Compatible with wired & wireless Di2 shifting: ✔
• SD300 port (pcs): 1
• Port for SD300 satellite shifter (pcs): 1

Shifter Model: ST-R8170-L

• Series: Ultegra R8100
• Front speed: 2
• Firmware update by E-Tube project: ✔
• Remote switch: ✔
• Port for remote sprinter shifter (pcs): 0
• Brake lever (clamp band): 23.8-24.2mm
• Brake lever (reach adjust): ✔
• Brake lever (fluid): Shimano mineral oil
• Brake lever (free stroke adjust): ✔
• Brake lever (servo wave): ✔
• Brake hose (Kit): SM-BH90-JK-SSR
• Brake lever (funnel bleeding): ✔
• Brake lever (hose joint): Straight
• Battery: CR1632
• Compatible with wired & wireless Di2 shifting: ✔
• SD300 port (pcs): 1
• Port for SD300 satellite shifter (pcs): 1

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