Lifeline essential inner brake cable tandemthread the lifeline essential inner brake cable into your tandems brakes and you will instantly feel a smoother action and an improvement in braking performance manufactured using 19 stainless steel filaments this cable is flexible corrosion resistant and durable it also features a 6x10mm and 7x6mm lever anchor for compatibility with drop bar or flat bar levers and is compatible with caliper cantilever v brakes and mechanical disc brakes three