{"product_id":"free-country-trailer-tire-wheel-assembly-st225-75r15-10-ply-e","title":"Free Country Trailer Tire Wheel Assembly ST225\/75R15 - Heavy Duty","description":"\u003cp\u003eOur review of the Free Country Trailer Tire Wheel Assembly ST225\/75R15 finds it best suited for owners who tow frequently and need a durable, safety-focused trailer wheel set. The single biggest reason to consider this assembly is its reinforced construction: a full-length nylon cap ply across the tread plus a 10-ply E rating and 7mm tread depth deliver toughness and predictable wear for hauling loads. The included 6-lug Silver Mod rim on a 5.5' bolt circle completes a ready-to-install set that removes much of the guesswork for trailer maintenance.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull nylon cap ply:\u003c\/strong\u003e A continuous nylon overlay across the entire tread improves heat resistance and adds a safety margin over tires that only reinforce the shoulder area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7mm tread depth:\u003c\/strong\u003e Deeper tread than many competitors gives longer mileage life and stronger resistance to tread wear on long hauls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-ply, Load Range E:\u003c\/strong\u003e A robust ply rating with Load Index 117 supports heavier trailer loads and adds structural durability under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScuff Guard ring:\u003c\/strong\u003e A protective ring on the tire wall helps shield the sidewall and rim from curbing and abrasion during loading and parking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady-mounted wheel:\u003c\/strong\u003e The 6-lug on 5.5' PCD Silver Mod rim with 0 offset provides a clean, install-ready wheel assembly for most 15' trailer hubs with that bolt pattern.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis assembly is ideal for small business owners, RV and utility trailer owners, and anyone who regularly hauls moderate to heavy loads and values a tougher tire carcass and extra tread life. The safety-first construction and 10-ply rating make it a practical choice for seasonal haulers and long trips where durability matters.\u003c\/p\u003e\n\u003cp\u003eThose who tow light, occasional loads or who need a different bolt pattern or wheel finish should look elsewhere. Also, if maximum highway speed above 81 mph is required, note the M speed rating caps recommended use to typical trailer speeds rather than high-speed passenger car driving.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFull-length nylon cap ply increases heat resistance and safety under load.\u003c\/li\u003e\n\u003cli\u003eSturdy 7mm tread depth and 10-ply rating deliver longer wear and load capacity.\u003c\/li\u003e\n\u003cli\u003eMounted on a Silver Mod 6-lug rim for quick replacement and a neat appearance.\u003c\/li\u003e\n\u003cli\u003eScuff Guard ring offers extra sidewall and rim protection in everyday use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpeed rating M limits safe speed to about 81 mph, so it is not for high-speed towing scenarios.\u003c\/li\u003e\n\u003cli\u003eSome users report mixed results with air retention, so initial setup checks are advised.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Size\u003c\/td\u003e\n\u003ctd\u003eST225\/75R15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePly Rating\u003c\/td\u003e\n\u003ctd\u003e10 (Load Range E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Index\u003c\/td\u003e\n\u003ctd\u003e117\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Rating\u003c\/td\u003e\n\u003ctd\u003eM (up to 81 mph)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTread Depth\u003c\/td\u003e\n\u003ctd\u003e7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Bolt Pattern\u003c\/td\u003e\n\u003ctd\u003e6 lug on 5.5' PCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Style\u003c\/td\u003e\n\u003ctd\u003eSilver Mod, offset 0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Free Country ST225\/75R15 trailer tire and wheel assembly is a sensible buy for regular haulers and anyone prioritizing safety and longevity over minimal cost. Its continuous nylon cap ply, deeper tread, and 10-ply construction provide durable performance and good value when paired with the ready-mounted 6-lug Silver Mod rim.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these tires DOT compliant?\u003c\/strong\u003e\u003cbr\u003eYes, the assembly is stated to meet or exceed applicable DOT standards for dependable performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill these fit my trailer hub?\u003c\/strong\u003e\u003cbr\u003eThey fit trailers with a 6-lug on 5.5' PCD bolt pattern; confirm your hub bolt circle and lug count before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow fast can I tow on these tires?\u003c\/strong\u003e\u003cbr\u003eThe speed rating is M, which corresponds to a maximum safe speed of about 81 mph; typical towing speeds are well within that limit.\u003c\/p\u003e","brand":"Free Country","offers":[{"title":"Default Title","offer_id":48185218859227,"sku":"B0D4SJT4Q8","price":285.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/817wbCKMmDL._AC_SL1500.jpg?v=1769442271","url":"https:\/\/gearmusthave.com\/products\/free-country-trailer-tire-wheel-assembly-st225-75r15-10-ply-e","provider":"GearMustHave","version":"1.0","type":"link"}