Shimano Ultegra ST-R8170(R), BR-R8170(R) without Adapter for 25mm Resin Pad with Connector Insert, 1700mm (SM-BR90) Disc Brake Set
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
