Rapidwire Technology proprietary casing design provides compression free performance you can actually feel Jet Lubed housing is greased from end to end which reduces cable drag by 10% Stainless steel cables wear better and shift smoother than conventional steel cables Set includes Brake housing 5mm X 3500mm , two stainless double ended Road and MTB brake cables 1.6mm X 1350mm and 1.6mm X 2750mm , Shifter housing 4mm X 3000mm , two stainless double ended Shimano and Campy shift cables 1.2mm X 2100mm . Road/MTB, Shim/SRAM Includes Gear Brake Cables and Housing Set includes Brake housing 5mm X 3500mm , two stainless double ended Road and MTB brake cables 1.6mm X 1350mm and 1.6mm X 2750mm , Shifter housing 4mm X 3000mm two stainless double ended Shimano and Campy shift cables 1.2mm X 2100mm