Some available sizes as follows：
Truck wheel rims:
5.50F-16, 6.00G-16, 6.00G-20, 6.50-16, 6.5G-20, 7.0-16, 7.00T-20, 7.25V-20,
7.5V-20, 8.00V-20, 8.28-20, 8.5-20, 9.0-20, 8.5-24, 8.80-20, 10.00-20, 10.00-24

17.50x5.25, 17.50x6.00, 17.5x6.75, 19.5x6.00, 19.5x6.75, 19.5x7.50, 19.5x8.25,
19.5x14.00, 22.5x6.00, 22.5x6.75, 22.5x7.50, 22.5x8.25, 22.5x9.00, 22.5x11.75,
22.5x14.00, 22.5x16.00, 24.5x8.25

Industrial wheel rims:
2.50C-8, 3.00D-8, 3.50D-8, 3.5W-9, 3.70R-9, 4.00E-09, 4.33R-8, 4.33R-9, 5.00S-9,
5.00S-12, 5.00F-10, 6.50F-10, 5.00S-12, 6.50-12, 8.00G-12, 4.50E-12, 5.00E-12

Other sizes and types are available,too.