... rate, high elasticity, rub resistance, natural rubber tire and steel rim make sturdy wheel.(6) Material of rim: Steel or plastic.(7 ... faxing B/L, Irrevocable and confirmed L/C at sight.(12) Delivery time: Within 20-30 days after receiving your deposit ... , 3.50-7, 3.50-8, 4.00-4, 4.00-6, 4.00-8, 4.80/4.00-8, 5.00-6, 6.50-8 Rubber Wheel