SHIMANO IBRR8110RS83 Ultegra Seat Stay Mod rear disc brake caliper

The SHIMANO ULTEGRA R8100 series caliper brakes offer a clear contact feeling while balancing rigidity, weight, and stopping power. With increased clearance for 28mm tires, the sleek design is still fetching. They are available in traditional and direct mount options. Features: - Exceptional balance of rigidity, weight and stopping power - Sleek and integrated low-profile caliper design Specifications: - Average weight: 178 ( /pc) - Type: Direct mount type - Reach (mm): 51 - Brake shoe Standard: R55C4 - Brake shoe Optional choice: R55C4 Carbon, R55C4-A Carbon, R55CT4 - Compatibility: SLR-EV - Cartridge shoe holder: Yes - Tire guide bumpers: Yes - Quick release lever: Yes - Shoe angle adjusting: Yes - Maximum tire size: 28C - Rim width (mm): 20.8-28 Technology: SLR-EV: - SLR-EV is SLR with a dual symmetric pivot brake caliper. The short-arm brake design employs two bearings and a roller to realize greater efficiency in the pivot area and deliver superior modulation and power for braking. Together with the BC-9000 brake cable, the latest calipers deliver 36% more braking power than SHIMANO’s previous brake model. And we offer 2 axle symmetric brake caliper and fork mount and chain stay mount type.