Shimano Dura-Ace BR-R9100 Rim Brake Caliper - Dual-Pivot, Road, Black
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
Brand | Shimano |
Series | Shimano Dura-Ace BR-R9100 |
MPN | IBRR9100AR82A |
Position | Rear |
Type | Rim brake caliper, dual-pivot (SLR-EV) |
Tire clearance | Up to 28c |
Brake shoes | R55C4 (fitted) |
Material | Forged aluminum |
Weight | 159 g (5.6 oz) |
Color | Black |
Country of Origin | Japan |
Condition | Brand new — original Shimano retail packaging |
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
Brand new in retail packaging. Ships from Ontario, California (US domestic) · Estimated delivery 3–5 business days · Free 30-day returns.
