Shimano 105 BR-R7170 Road Hydraulic Disc Brake Caliper - Rear Front Front use requires adapter-Sold separately Flat Mount Resin Pad Platform Dimensions-12.5 x 20.1 x 3.5 12x148mm with 55mm ChainlineFork RockShox

12x148mm with 55mm ChainlineFork RockShox Pike Select RL3 Air

4 Primary Color Black Steer Tube Length 170mm Steerer Tube 1-1/8 Steerer Tube Material Cr-Mo Wheel Diameter 20

8 Internal Lock Size Metric 85cm

60 Tire Diameter/ISO 27

Shimano 105 BR-R7170 Road Hydraulic Disc Brake Caliper - Rear Front Front use requires adapter-Sold separately Flat Mount Resin Pad Platform Dimensions-12.5 x 20.1 x 3.5 12x148mm with 55mm ChainlineFork RockShoxWith proven hydraulic braking technology the Shimano 105 BR R7170 caliper features the Shimano 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. Please note: Caliper compatible rear or front use (Front use requires mount adapter and hardware Sold