The Shimano BR-7900 Dura-Ace brake caliper features a dual-pivot brake design that is a lightweight, compact and a durable braking system. It has a forged aluminum, Super SLR dual-pivot arm design with an enhanced arch proportion and thrust bearing for faster response. It features:
- Super SLR dual pivot design with thrust bearing
- Enhanced brake arch proportion
- Convex washer, brake pad angle system and spring tension adjustment
- Resin bumper tire guide protects rim when shoes wear down
- Includes Q/R, barrel adjuster, 27.0/10.5mm front/rear sunken nuts, and R55C3 cartridge brake pads
- Titanium cable and brake shoe fixing bolts
- Reach: 49mm
- Weight:

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