Shimano Dura-Ace BR-R9100 Rear Rim Brake Caliper - Dual-Pivot, Road, Black IBRR9100AR82A

Shimano Dura-Ace BR-R9100 is a genuine Shimano rear brake caliper delivering precise, reliable performance for road bike riders.

Genuine Shimano Dura-Ace — brand new in retail packaging.

Will it fit? This is the REAR rim caliper, dual-pivot for road bikes with a standard rear brake bridge (recessed-nut mount). Clears tires up to 28c. Pair with compatible levers and a rim-brake wheelset; front caliper (IBRR9100AF82X) sold separately.

Key Specifications

Technology Highlights

• ✓ Dual-pivot SLR-EV design delivers strong, balanced rim-braking power with a light lever feel.
• ✓ Reinforced caliper arms — up to 43% stiffer than the previous generation for consistent, linear braking.
• ✓ Clearance for modern 28c road tires.
• ✓ Aero-tucked quick-release arm for clean integration.
• ✓ Genuine Shimano quality — consistent performance and durability.

What's in the Box

• 1 × Shimano Dura-Ace BR-R9100 rear caliper (R55C4 shoes fitted)
• Mounting hardware & documentation (as supplied)
• Original Shimano retail packaging