SRAM Guide Ultimate Disc Brake

With its completely new, 4-piston S4 caliper, SwingLink lever cam, and carbon lever blade, SRAM's 360-gram Guide Ultimate stands alone as leader in its class. It has been engineered to be light and powerful, with superior heat management capabilities, which give you better, more consistent, more reliable braking. The new caliper design also incorporates a redesigned seal and aluminum piston interface for ease of setup and improved consistency, while Bleeding Edge technology makes bleeding the Guide Ultimate a quick and easy task.