{"product_id":"trailer-tire-wheel-assembly-st225-75r15-10-ply-e-6-lug-black-mod","title":"Trailer Tire Wheel Assembly ST225\/75R15 10-Ply E 6-Lug Black Mod","description":"\u003cp\u003eOur review of the Trailer Tire Wheel Assembly ST225\/75R15 finds it best suited for trailer owners who need a durable, high-load tire and a ready-to-mount wheel. The single biggest reason to buy is the combination of an 8mm tread depth and a 10-ply, load range E construction, which together deliver noticeably longer wear and reliable load capacity for heavy towing. This review focuses on real-world durability, fitment details, and the practical safety benefits for cargo hauling at highway speeds.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep tread:\u003c\/strong\u003e The 8mm tread depth offers greater life and improved wear resistance compared with thinner competitor tires, translating to longer service between replacements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty rating:\u003c\/strong\u003e The 10 ply rated, Load Range E construction supports higher loads and resists sidewall fatigue under caravan or utility trailer use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh capacity:\u003c\/strong\u003e With a Load Index of 117 the tire is engineered to carry up to the rated maximum weight per tire, making it appropriate for heavier cargo loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel fitment:\u003c\/strong\u003e The wheel ships as a 6 lug on 5.5' bolt pattern with 0 offset and a Black Mod style, ready to mount on trailers using that pattern without additional tire mounting work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed and safety:\u003c\/strong\u003e The M speed rating allows safe use up to 75 mph and the assembly meets or exceeds applicable DOT standards for dependable street use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis assembly is aimed at owners of heavier trailers, utility rigs, and campers that require a robust tire and a wheel already mounted and balanced for quick replacement. It is particularly good for those who tow frequently or carry heavier loads and want the reassurance of deeper tread and a 10 ply rated carcass.\u003c\/p\u003e\n\u003cp\u003eBuyers who need a different bolt pattern, a lighter weight tire for lighter trailers, or a speed rating above 75 mph should look elsewhere. Also verify the 6 lug on 5.5' bolt pattern and rim width against your owner's manual before purchase, since fitment guides are for reference only.\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\u003eDeep 8mm tread provides longer mileage life and better wear resistance than many budget alternatives.\u003c\/li\u003e\n\u003cli\u003e10 ply rated, Load Range E construction gives strong load carrying capacity and durability under heavy towing.\u003c\/li\u003e\n\u003cli\u003eReady-to-mount wheel in Black Mod finish with correct 6 lug on 5.5' bolt pattern saves installation time.\u003c\/li\u003e\n\u003cli\u003eDOT-compliant and M speed rated for safe highway use up to 75 mph.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLimited to an M speed rating (75 mph), so it is not suitable for applications that require higher speed ratings.\u003c\/li\u003e\n\u003cli\u003eFitment depends on matching the 6 lug on 5.5' bolt pattern and rim width; buyers must confirm fit for their specific trailer.\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 Rated\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 75 mph)\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, Black Mod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Trailer Tire Wheel Assembly ST225\/75R15 is a solid value for trailer owners who need a sturdy, long-wearing tire paired with a ready-to-mount wheel. Its deeper 8mm tread and 10 ply, Load Range E construction make it a dependable choice for heavier loads and frequent towing, provided the 6 lug on 5.5' bolt pattern matches the vehicle. Overall, it delivers practical durability and safety for hauling cargo.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my trailer?\u003c\/strong\u003e\u003cbr\u003eIt fits trailers with a 6 lug on 5.5' bolt pattern and a 6' rim width; always check your owner's manual to confirm fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long will the tread last?\u003c\/strong\u003e\u003cbr\u003eThe 8mm tread depth and 10 ply rating improve wear life versus thinner, lower-ply competitors, but actual life depends on load, speed, and maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this safe for highway speeds?\u003c\/strong\u003e\u003cbr\u003eYes, the assembly carries an M speed rating for use up to 75 mph and meets or exceeds applicable DOT standards.\u003c\/p\u003e","brand":"ROCKMAN","offers":[{"title":"Default Title","offer_id":48613288804571,"sku":"B0DPCYXBJ5","price":153.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/814hKVSesLL._AC_SL1500.jpg?v=1778393938","url":"https:\/\/gearmusthave.com\/products\/trailer-tire-wheel-assembly-st225-75r15-10-ply-e-6-lug-black-mod","provider":"GearMustHave","version":"1.0","type":"link"}