Nylon Sheave bụ nke MC naịlọn, nke a na-ejikarị ihe caprolactam eme ya site na kpo oku, agbaze, nkedo na ịkpụzi thermoplastic.Ihe mkpuchi mkpuchi Aluminom Wheel Rubber nwere ike dị elu, ịdị arọ dị arọ, mgbochi iyi na nguzogide corrosion.Ibu traction nke pulley buru ibu.