Please note: Front caliper is for 140/160mm Rotor only. Rear caliper comes with fixing bolt for 25mm frame thickness only. Fixing bolt for other sizes of frame thickness has to be purchased separately.
Shimano Ultegra
SHIMANO ULTEGRA Hydraulic Disc Brake Caliper
BR-R8170
To the delight of riders and mechanics alike, the new ULTEGRA BR-R8170 caliper delivers enhanced modulation, a quieter brake system, and an easier than ever bleed process.
The ULTEGRA R8170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain.
FEATURES
10% wider pad clearance decreases brake noise
Maintenance-friendly bleeding process
PRODUCT SPECIFICATIONS
MODEL NO: BR-R8170
SERIES: ULTEGRA R8100 Series
Color: Series color
Average weight: 123
ICE TECHNOLOGIES pad compatible caliper: ✔
Brake hose color (kit): Black
Brake hose (Kit): SM-BH90-JK-SSR
Brake type: Hydraulic disc brake
Caliper fixing bolt_Anti loosen method: Screw fixing pin, snap ring
Caliper fixing bolt_Tool size: 4 mm
Fixing screw spec for rear mount_10 mm mount: ✔
Fixing screw spec for rear mount_15 mm mount: ✔
Fixing screw spec for rear mount_20 mm mount: ✔
Fixing screw spec for rear mount_25 mm mount: ✔
Fixing screw spec for rear mount_30 mm mount: ✔
Fixing screw spec for rear mount_35 mm mount: ✔Â
Hose joint: Straight
Mount type: Flat mount
ONE WAY BLEEDING: ✔
Pad mount: Pad axle
Piston: 2
Recommended brake lever: ST-R8170
Recommended disc brake rotor: RT-MT800
J-Kit spec (for OEM): ✔
Oil: SHIMANO Mineral
Pad_Option 1: L04C-MF Metal (w/ fin)
Pad_Standard 1: K05S-RX Resin (w/o fin)
Pad_Standard 2: L05A-RF Resin (w/ fin)Â