The RS505 Hydraulic Disc Brake Mechanical STI with RS505 Flat Mount Callipers from Shimano is a great value for money brake set that consists of two STI RS505 mechanical brake levers and two RS505 callipers. The levers provide powerful braking that is consistent, controllable and effortless as well as effortless 11-speed shifting, and an ergonomic short shift arc which follows natural hand movement, even from the hood. The hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear and the reach and free stroke adjustment enables comfortable fitting for all hands. Vivid indexing allows a constant amount of shift lever force across all 11 sprockets. Available in Black only, sold as a pair.