Disc brakes optimized for road riding. With proven hydraulic braking technology, the new Shimano 105 BR-R7170 calipers feature the Flat Mount System and its low-profile design that is ideal for road bikes. More compact and lighter than ever, the R7170 brakes offer wide pad clearance for easy wheel removal and quiet performance as well as one-way bleeding for easy, clean maintenance.
10% wider pad clearance decreases the chance of disc brake rotor rub
Maintenance-friendly bleeding process
2 Piston
Rotor not included
Recommended Brake Lever: ST-R7170
Recommended Disc Brake Rotor: SM-RT70 and SM-RT64
Included Brake Pad: L05A (Resin w/ fin)
Optional Brake Pad (not included): L04C (Metal w/ fin)
Attributes
Fluid
Mineral oil
Brake Material
Aluminum
Brake Weight
123g
Caliper mount
Flat mount
Disc Diameter
Not included
Primary Color
Black
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Specs
Size
Metric
Imperial
This is a size chart.
Geo
Metric
Imperial
Geometry of this bike.
Reach
Horizontal measurement taken from the middle of the bottom backet to the middle of the headtube.
Stack
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.
Standover Height
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)
Headtube Angle
Angle of the headtube.
Headtube
Vertical lenght of the headtube.
Chainstay
Horizontal measurement taken from rear axle to the bottom bracket.
Wheelbase
Horizontal measurement between the two wheel axles.
BB Height
Vertical measurement taken from the ground to the bottom bracket (Never taken at sag).
BB Drop
Vertical measurement between the height of the axles and the height of the bottom bracket.