What Is the Shimano Ultegra Road Brake Shoe Set and What Does It Include?

The Shimano Ultegra Road Brake Shoe Set pairs the R55C4 brake pad compound with an aluminum cartridge shoe holder, delivering Ultegra-grade rim braking performance for road frames with standard brake caliper mounts. The R55C4 compound is Shimano's current-generation alloy rim brake compound, designed to balance consistent stopping power, modulation, and pad longevity across a range of wet and dry road conditions. The cartridge-style design allows the pad itself to be replaced independently from the aluminum holder when the compound wears down, so the holder can be reused across multiple pad replacements. The black aluminum holders are the standard color option for this set and are compatible with the full range of Shimano road brake calipers that use the cartridge brake shoe system.

This set is compatible with Shimano road rim brake calipers across the Ultegra, 105, Tiagra, and Sora tiers, as well as many third-party road calipers that accept Shimano-standard cartridge shoes. It is designed exclusively for aluminum rim brake surfaces and is not suitable for carbon fiber rims, which require the R55C4-C carbon-specific compound. For riders on alloy-rimmed road bikes running Shimano rim brakes who need to replace worn pads with a direct OEM replacement, the Ultegra Road Brake Shoe Set in black is the correct specification and a direct drop-in with no adjustment required beyond the standard toe-in setup.