Shimano Dura Ace Di2 ST-R9270 / BR-R9270

The DURA-ACE ST-R9270 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 includedDURA-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 Attributes Fluid Mineral oil Caliper mount Flat mount Lever Blade Material Carbon Primary Color Black