RubberMaster S368 ST 18.5X8.50-8 72M B 4 Ply All-Season Trailer One Tire

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US$20.83
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US$20.83
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Free shipping Free 30-day returns

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Management number 254283255 Release Date 2026/11/07 List Price US$20.83 Model Number 254283255
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<h2 style="font-style:italic;text-decoration:underline;font-weight:bold;font-size:26px;">RubberMaster S368</h2> <p><strong>OVERVIEW</strong></p> <p style="text-align:justify;">The RubberMaster S368 is a highway terrain, all season tire made for trailers. This tire is NOT MEANT TO BE MOUNTED ON LIGHT TRUCKS, as its construction will not support the weight and performing style of such vehicles. It can ONLY BE MOUNTED ON TRAILERS.</p><p style="text-align:justify;">Great performance and handling are promoted with this tire. The flat ribbed footprint closely follows the road throughout the drive. This effectively improves its steering responsiveness and towing stability. It results in quick and precise steering responses, as well as a secured structure. Cornering is upgraded with shoulder ribs that provide additional biting edges.</p><p style="text-align:justify;">The tire is able to handle versatile weather conditions. Better dry, wet, and light winter grip is offered with the detailed tread design and the all season compound. Stronger rubber materials keep the tire pliable throughout the year, optimizing its summer and winter performance. Additionally, the tread’s sipes create biting edges, upgrading its road grip. Grooves combat hydroplaning in wet conditions. They channel water and slush from the footprint, increasing its wet grip.</p><p style="text-align:justify;">The RubberMaster S368 improves its load and driving durability. This tire features a robust structure that does not deform under load and driving pressure. As the tire does not deform, it is able to securely carry and withstand heavy loads. This optimizes the tire’s overall load durability, optimizing its heavy-duty applications.</p><p style="text-align: justify;"><b style="color: red;">This tire has a BIASED ply structure.</b></p><p style="text-align:justify;font-weight:bold;">Manufacturers recommend changing tires every 10 years. As long as tires are properly stored before they are sold, the year of their manufacture will not shorten their service life.</p>

  • Overview: RubberMaster S368 18.5X8.50-8 72M
  • Specs: B 4 Ply Rated, Highway
  • Made For: Trailers
  • Conditions: All Season Driving
  • Styling: 8 Inch Black Sidewall, Bias Construction
  • Tread Design: Smooth Highway Tread Pattern For Stable Long Distance Cruising and Reduced Road Noise
  • Ships As: One Tire Only, Rim/Wheel Not Included
  • Fits: 18.5x8.50-8st, 18.5 8.50 8, 18.5 8.5 8
Tire season All-Season
Manufacturer RubberMaster
Tire width 8.35 in
Tire load range B
Tire load index 72
Vehicle fitment type Universal
Warranty distance 0 miles
Is run flat N
Overall diameter 18.5 in
Tire speed rating M
Vehicle type Trailer
Tire size 18.5X8.50-8
Construction type Non-Radial
Electric vehicle tire N
Automotive parts division RV & Trailer
Wheel diameter 8 in
Flotation tire N
Mud & snow rated N
Uniform tire quality grade (utqg) 0
Features Fits Multiple Makes And models
Items included Tire Only
Count 1
Vehicle class designator ST
Tire location Front and Rear Tires
Tire sidewall style Blackwall
Tire terrain Highway Terrain
Tire diameter 8 in
Tire type Performance Tires
Model S368 489000
Tread depth 8/32
Maximum inflation pressure 35 psi
Tire aspect ratio 60
Tire treadwear rating 0

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