{"product_id":"rockman-trailer-tire-wheel-assembly-st225-75r15-durable-10-ply-e","title":"ROCKMAN Trailer Tire Wheel Assembly ST225\/75R15 - Durable 10-Ply E","description":"\u003cp\u003eIn this review the ROCKMAN Trailer Tire Wheel Assembly ST225\/75R15 is evaluated as a practical, heavy-duty spare for trailer owners who need reliable load capacity and longer tread life. The biggest reason to buy is its combination of a deeper 8mm tread and a 10-ply, Load Range E construction, which together deliver sturdier performance and longer mileage than many economy trailer tires. The review focuses on fitment, durability, and the wheel detail so buyers can decide if it meets their towing needs.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong lasting tread:\u003c\/strong\u003e The 8mm deep tread provides more rubber contact for extended mileage compared with thinner- tread competitors, so it wears slower on long hauls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy load capacity:\u003c\/strong\u003e The 10-ply, Load Range E construction and Load Index 117 support high-capacity trailers and heavy loads without compromising stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed rating:\u003c\/strong\u003e With an M speed rating (up to 75mph), the tire is suited for typical trailer speeds while maintaining safe handling under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel compatibility:\u003c\/strong\u003e The wheel ships as a 6 lug on 5.5' PCD White Spoke rim with offset 0, offering straightforward mounting for trailers using that bolt pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety certified:\u003c\/strong\u003e Meets or exceeds applicable DOT standards so owners get dependable, legally compliant performance for hauling cargo.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis assembly is aimed at trailer owners who need a robust spare or replacement wheel that handles heavy loads, such as utility trailers, enclosed cargo trailers, and travel trailers. It suits anyone who prioritizes long tread life and a higher ply rating for frequent towing or heavy cargo runs.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere are drivers who need a specialized tire size or a different bolt pattern than 6 lug on 5.5' PCD, or users who require a higher speed rating than M. Always consult your owner's manual before purchase to confirm fitment for your specific trailer model.\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\u003eDurable 8mm tread depth for improved mileage and slower wear compared with cheaper alternatives.\u003c\/li\u003e\n\u003cli\u003e10-ply, Load Range E construction with Load Index 117 supports heavy loads up to manufacturer limits.\u003c\/li\u003e\n\u003cli\u003eComplete wheel assembly in a White Spoke style makes it ready to mount and visually compatible with many trailers.\u003c\/li\u003e\n\u003cli\u003eMeets DOT standards, providing confidence in safety and compliance.\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 operation to about 75mph, so it is not intended for high-speed towing on unrestricted highways.\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\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eROCKMAN\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\u003eTread Depth\u003c\/td\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Index \/ Max Load\u003c\/td\u003e\n\u003ctd\u003e117 \/ 2830 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Rating\u003c\/td\u003e\n\u003ctd\u003eM (up to 75mph)\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, offset 0, White Spoke rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ROCKMAN ST225\/75R15 Trailer Tire Wheel Assembly is a sensible buy for owners who need a heavy-duty spare that balances long tread life and high load capacity. It offers strong value through its 10-ply construction, deeper tread, and ready-to-mount wheel; just confirm the 6 lug on 5.5' bolt pattern and M speed rating match your trailer before purchasing.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my trailer?\u003c\/strong\u003e\u003cbr\u003eCheck your owner's manual and hub bolt pattern; this assembly uses a 6 lug on 5.5' PCD pattern and offset 0, so confirm those specs match your trailer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much weight can each tire carry?\u003c\/strong\u003e\u003cbr\u003eEach tire has a Load Index of 117 and a max load of about 2830 lbs when inflated to the manufacturer recommended pressure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the wheel ready to mount?\u003c\/strong\u003e\u003cbr\u003eYes, the product is a complete tire and wheel assembly on a White Spoke rim, ready for mounting if the bolt pattern and hub fitments match.\u003c\/p\u003e","brand":"ROCKMAN","offers":[{"title":"Default Title","offer_id":48153078333659,"sku":"B0DPCZBTWH","price":143.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81wGI_xV94L._AC_SL1500.jpg?v=1768766483","url":"https:\/\/gearmusthave.com\/products\/rockman-trailer-tire-wheel-assembly-st225-75r15-durable-10-ply-e","provider":"GearMustHave","version":"1.0","type":"link"}