... parts and quality warranty: be provided size:16/70-20, 17.5-25, 20.5-25, 23.5-25, 26.5-25, 26.5-29, 29.5 ... -25, 29.5-29, 29.5-35, 33.5-33, 33.5-39 ... , 33.25-35, 37.5-33 ... .00-33, 21.00-35, 27.00-49, 36.00R51 and so on Also we can produce chains according to customer's requirements.