Bike Brake Cable, Bike Inner Line Sound Absorbing Tube Asori Spon Protective Tube for Road ycle ing Cable, 1.5 MeteBike Frame Internal ing Dr Prtical Bike Inner Line Sound Absorbing Tube Soundproof for Road ycle ing Cable Featur: - The outer hose is ma of qlity rubber, colorfast, pliable and durable. - The inner PVC tube works as lubricant, keep s..