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 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
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This is a size chart.
Geometry of this bike.
Horizontal measurement taken from the middle of the bottom backet to the middle of the headtube.
Vertical measurement taken from the middle of the bottom bracket to the middle of the headtube.
Effective Top Tube
Horizontal measurement taken from the middle of the seatube to the middle of the headtube.
Actual Top Tube
True length of the top tube taken from the seatube along the toptup to the headtube.
Vertical measurement taken from the ground to the the middle of toptube.
Seat Tube Angle
Angle of the seatube.
Seat Tube Length
Lenght of the seat tube taken from the bottom bracket to the top of the seat tube (the measure is taken alongside the seat tube)
Angle of the headtube.
Vertical lenght of the headtube.
Horizontal measurement taken from rear axle to the bottom bracket.
Horizontal measurement between the two wheel axles.
Vertical measurement taken from the ground to the bottom bracket (Never taken at sag).
Vertical measurement between the height of the axles and the height of the bottom bracket.
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