C.E. Smiths Loadstar Trailer Tires set the industry standard for quality and reliability. Tire sizes beginning with ST are Special Trailer tires with stiffer sidewalls to improve stability, reduce sway, and stand up to the abuse trailers often receive. The stylized, slotted wheels match original Tracker trailer wheels, making these tires the perfect replacements. For heavier loads, or trailers used over long distances, consider radial tires, which wear longer than bias ply tires, provide greater strength and improved highway stability, and have a lower rolling resistance for increased fuel economy. 5 x 4.5 bolt pattern. Available: ST215/75R14C Fit trailer models: 185805, Q7, T195, T215, T215OB, T2150, NZ7, 290SP, REGENCY 220, REGENCY 254, Signature Bass Buggy 18 20, Signature Party Barge 18 20. Wt. capacity: 1,870 lbs. Color: Silver. ST185/80R13C Fit trailer models: NZ6, TAH500TS, TAH550TS, Pro Guide V-16, Pro Guide V175, Pro Team 175, Pro Team 190, Pro Team 195, Taraga V18, Taraga V20. Wt. capacity: 1,480 lbs. Colors: Silver, Chrome. ST145/R12D Fit trailer models: Guide V, GRIZZLY 1448S JON, GRIZZLY 1648 JON. Color: Silver. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Tires & Accessories.