Shimano Dura Ace Di2 ST-R9270/BR-R9270 Brake Lever/Caliper - IR9270DLF6SC100E

Now featuring Servo Wave Action brake technology, the new Dura-Ace ST-R9270 brake lever delivers modulation and control like never before. Wireless shifting keeps your bike looking clean while offering Shimano's fastest, most precise gear changes available. All of this resides in a Dual Control Lever to employ the most advanced materials to offer light weight and refined ergonomics that provide comfort and control for the most demanding conditions.

With an all-new MONO-BODY construction design, high performance braking has reached a new peak. The BR-R9270 caliper drops weight while also providing increased pad clearance, ensuring a quieter ride. Lastly, a new bleeding process makes maintenance easier than ever.

Features:

• 2x12-speed Dual-Control lever with 4.6 mm longer reach for increased security and control
• Refined hood for improved ergonomics and aerodynamics with improved button access
• Servo wave technology enhances brake performance thanks to a faster initial bite point followed by a wider control area
• Easy fit pre-bled J-Kit
• 1000 mm SM-BH90 front hose or 1700 mm SM-BH90 rear hose included DURA-ACE BR-R9270 hydraulic calipers are the most compact yet. Mono-body construction ensures light weight and rigidity, proving that good things can come in small packages
• One-piece structure maximizes stiffness and reduces weight
• Maintenance-friendly one-way bleeding process
• 10% wider pad clearance decreases the chance of rotor rub

Specifications:

• Fluid: Mineral oil
• Brake Material: Carbon
• Brake Weight: 175 g
• Caliper mount: Flat mount
• Disc Diameter: 140 or 160 mm (sold separately)
• Hydraulic Hose Length: 1000 mm
• Lever Blade Material: Carbon
• Position: Front