RoadRider IV Premium ST Tire

The Road Rider IV ST is a premium tire designed for towed trailer applications, and represents the next evolution in the Road Rider ST line. The Road Rider IV combines technical improvements in radial construction, tread pattern design and tire compound formulation to deliver improved heat dispersion for increased strength and durability, without compromise to the stable and quiet ride you have come to expect from all Road Rider products.

* Nylon overlay on 15" & 16" sizes.
SizeTire Size CodeProduct Code PlyPly Rating T.D.Tread Depth O.D.Overall Diameter S.W.Section Width S.L.R.Static Load Radius RimRim Size L.C.C.@PSILoad Carrying Capacity (Single Load) L.C.C.@PSILoad Carrying Capacity (Dual Load)
                Single Single
ST175/80R13 425817-99 6 9 24.0 6.9 11.2 5.00 1360@50 1200@50
ST205/75R14 425820-99 6 10 26.1 7.7 12.2 5.50 1760@50 1570@50
ST205/75R15 425941-99 6 10 27.1 7.7 12.7 5.50 1820@50 1610@50
ST205/75R15 425821-99 8 10 27.1 7.8 12.7 5.50 2150@65 1870@65
ST225/75R15* 425822-99 8 10 28.2 8.8 13.2 6.00 2540@65 2200@65
ST225/75R15* 425937-99 10 10 28.2 8.8 13.2 6.00 2830@80 2490@80
ST235/80R16* 425823-99 10 10 30.7 9.2 14.3 6.50 3520@80 3080@80
ST235/85R16* 425044-99 10 10 31.7 9.2 14.7 6.50 3640@80 3305@80
ST235/85R16* 425917-99 12 10 31.7 9.2 14.3 6.50 3960@95 3520@95
APPLICATIONS: TIRE FEATURES:
  • Tow Trailers
  1. Radial contstruction.
  2. Exceptional stability.
  3. Strength and durability.