A high performance, lightweight cantilever brake, the SCX 5 utilizes the tried and true canti brake design which provides maximum braking power for Cyclocross bikes, retro mountain bikes, touring bikesbasically any bike that uses cantilever mounts. A linear return spring design provides smooth response over the full braking range, and micro tension adjusters allow brake tension fine tuning. Construction: The SCX 5's arms are cold forged aluminum for strength, and finely polished for great looks. Stainless steel is used wherever possible for maximum durability in the elements. Cartridge brake pads are used for ease of maintenance.