Shimano Ultegra R8170 12-Speed Rear 2-Piston Hydraulic Brake Calliper

The Shimano Ultegra BR-R8170 rear disc brake calliper is designed for road bikes with a Ultegra R8100 groupset and Flat Mount fitting. It comes ready with pads and mounting bolts.

• Ready to fit: the package includes L03A resin pads and 2 bolts
• Attaches to the frame with a Flat Mount fitting, typical of road bikes with disc brakes
• Part of the Ultegra R8100 groupset, for a consistent braking system
• Resin pads with cooling fins (Fin), for more consistent braking
• Pair it with the ST-R8170 lever and RT-MT800 rotor recommended by the manufacturer

Technical specifications

• Model: BR-R8170-R
• Groupset: Ultegra R8100
• Mount: Flat Mount
• Position: Rear
• Pistons: 2
• Included pads: L03A-Resin with Fin (1 set)
• Package contents: 1 brake calliper, 1 set of L03A-Resin with Fin pads, 2 calliper bolts
• Recommended lever: ST-R8170
• Recommended hose: SM-BH90-JK-SSR (not included)
• Recommended rotor: RT-MT800

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.