Shimano Ultegra BR-R8170 Flat-Mount Hydraulic Disc Brake Caliper — Front, Road Bike

Shimano Ultegra BR-R8170 is a front flat-mount hydraulic disc brake caliper for 12-speed road and all-road bikes, offering powerful, controlled stopping.

Powerful Ultegra flat-mount stopping — genuine Shimano, brand new.

Will it fit? This is the front flat-mount caliper (caliper only, not pre-bled). For Shimano road hydraulic disc systems with flat-mount frames/forks. Pair with a compatible lever and Center Lock rotor (sold separately).

Key Specifications

Technology Highlights

• ✓ Flat-mount design — clean integration with modern road frames and forks.
• ✓ Wide pad clearance — easier setup and quieter running.
• ✓ ICE TECHNOLOGIES compatible — strong, fade-resistant braking with Shimano rotors and pads.
• ✓ Genuine Ultegra-grade — consistent power and reliability.

What's in the Box

• 1 × Shimano Ultegra BR-R8170 front flat-mount caliper
• Mounting hardware & Shimano documentation
• Original Shimano retail packaging