
Shimano
Shimano Ultegra Di2 ST-R8170 / BR-R8170
The ULTEGRA ST-R8170 2x12 speed Dual Control levers with Wireless Di2 connectivity deliver a clean aesthetic and simple setup while reimagined ergonomics bring a new level of comfort and control. • 2x12-speed Dual-Control lever with 4.6mm 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 • 1000mm SM-BH90 front hose or 1700mm SM-BH90 rear hose included ULTEGRA BR-R8170 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
- Fluid: Mineral oil
- Brake Material: Aluminum
- Caliper mount: Flat mount
- Disc Diameter: 140 or 160mm (not included)
- Hydraulic Hose Length: 1700mm
- Lever Blade Material: Aluminum
- Position: Rear
- Primary Color: Black
Special order - ships in 5-10 days from Hawley/Lambert.