... .We have gained ISO and TS certification.As a Chinese steel wheel manufacturer,we regard quality as the first of all. And ... the best services for global customers sincerely. Wheel size we have are as following: tube steel wheel:5.50-16, 6.00-16, 6 ... , 8.75-24, 8.5-24, 9.0-20 tubeless steel wheel:17.5*6.00, 17.5*6.75, 19.5 ... (offset 0 or 120;dump is available) 5.50-16 tube steel wheel