carbon road frame disc Material :full carbon prepeg Size:46cm,49cm,52cm,54cm,56cm, ... -1/8",1-1/2"Available sizes: 54cmCompatible road bike disc brakeDescription1.Materials :3k/12k/Unidirectional carbon fiber prepeg , ! plain weave ... contact me ! Light for your life ! carbon road bicycle frame disc brake ,disc road bicycle frame carbon fiber