SHIMANO DI2 105 R7170 shift brake lever 2*12s road bike hydraulic disc

The new SHIMANO 105 shift/brake lever features Di2 electronic shifting for the first time, bringing precise, intuitive gear changes to even more riders. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics.

• Clean cockpit: Wireless connection enhances the aesthetic of your bike while keeping shifting lightning fast
  
• Longer lasting. Uses two CR1632 batteries (battery life: 3.5 to 4 years)
• Compact, ergonomic performance cascaded from DURA-ACE
• Raised hood peak improves ergonomics, while a longer hood body increases hand support
• Make DURA-ACE yours with custom button function and adjustable ergonomics
• Easily change button function with the E-TUBE app
• Find your optimum lever position with simple reach adjust

SHIMANO 105 Hydraulic Disc Brake Caliper

Disc brakes optimized for road riding.

With proven hydraulic braking technology, the new SHIMANO 105 calipers feature the SHIMANO Flat Mount System and its low-profile design that is ideal for road bikes. More compact and lighter than ever, the R7170 brakes offer wide pad clearance for easy wheel removal and quiet performance as well as one-way bleeding for easy, clean maintenance.

• 10% wider pad clearance decreases the chance of disc brake rotor rub
• Maintenance-friendly bleeding process