Compatible with Shimano/SRAM road brakes.Deed surface minimizes friction even more than teflon surface.This stamina and durability, as the surface is not a coating that can wear. Steel: 1 piece.If you have the power to accelerate, so you will have to stop. Brake cable Brakewire Polished with Road is extremely strong and durable to have your self -confidence. It looks like a conventional brake cable, but has integrated several technologies into it. It is prestressed to require a minimum setting. It is also polished, which makes it extremely smooth in the bovden to get the maximum control over your brakes.