{"product_id":"rockman-trailer-tire-wheel-assembly-st175-80r13-durable-6-ply-spare","title":"ROCKMAN Trailer Tire Wheel Assembly ST175\/80R13 - Durable 6-Ply Spare","description":"\u003cp\u003eIn this review the ROCKMAN Trailer Tire Wheel Assembly ST175\/80R13 is judged as a practical, value-focused spare for light trailers and enclosed haulers. The single biggest reason to buy is its combination of a deeper 7mm tread and a 6-ply construction, which together deliver stronger wear resistance and longer mileage than many low-cost trailer tires. The review is aimed at owners who need a dependable, DOT-compliant trailer wheel that fits common 5 lug on 4.5' bolt patterns and offers straightforward fitment for a spare or replacement wheel.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep tread:\u003c\/strong\u003e The 7mm tread depth provides improved wear life and better resistance to chunking compared with many cheaper 5.6 mm alternatives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong construction:\u003c\/strong\u003e The 6 ply rating and Load Range C give a durable casing that handles trailer loads reliably up to the stated capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad and speed:\u003c\/strong\u003e With a Load Index of 91 and Speed Rating M, the assembly supports typical trailer loads up to the rated limit while allowing highway travel up to 75 mph where legal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel compatibility:\u003c\/strong\u003e The white spoke rim is drilled 5 lug on a 4.5' PCD with zero offset, making it a direct match for many common trailer hubs and spare applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDOT safety certified:\u003c\/strong\u003e Meets or exceeds applicable DOT standards so it can be used season after season for cargo hauling with predictable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis assembly is for trailer owners who want a low-cost but robust spare that looks clean on an enclosed trailer or utility trailer and who need a wheel that fits the common 5 lug on 4.5' bolt pattern. It is a good match for people who prioritize longevity and straightforward fitment over premium highway touring comfort.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include owners of heavy-duty commercial trailers that exceed the listed max load per tire or drivers who require a higher speed rating or specialized rim finish; for oversized loads or sustained high-speed service a heavier load range or different tire class may be required.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDeeper 7mm tread gives noticeably longer wear than many economy trailer tires.\u003c\/li\u003e\n\u003cli\u003e6 ply, Load Range C construction offers reliable strength for common trailer duties.\u003c\/li\u003e\n\u003cli\u003e5 lug on 4.5' bolt pattern and white spoke rim make it an easy spare that fits typical hubs and looks tidy on enclosed trailers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSpeed Rating M limits sustained highway speed to about 75 mph, so not ideal for high-speed continuous towing.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Size\u003c\/td\u003e\n\u003ctd\u003eST175\/80R13\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\u003e6 (Load Range C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTread Depth\u003c\/td\u003e\n\u003ctd\u003e7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Index \/ Max Load\u003c\/td\u003e\n\u003ctd\u003e91 \/ 1360 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\u003e5 lug on 4.5' PCD, offset 0, white spoke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe ROCKMAN ST175\/80R13 wheel assembly is a sensible, value-driven choice for trailer owners who need a reliable spare or replacement that lasts longer than budget tires. Its 7mm tread and 6 ply construction deliver stronger wear and dependable load performance, and the common 5 lug on 4.5' rim makes fitment straightforward. For most leisure and light commercial trailers this assembly represents good value and practical performance.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this wheel fit my trailer with 5 lug on 4.5' hubs?\u003c\/strong\u003e\u003cbr\u003eYes, the rim is specified as 5 lug on a 4.5' PCD with offset 0, which matches common trailer hubs; always confirm with your owner's manual.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much weight can each tire handle?\u003c\/strong\u003e\u003cbr\u003eEach tire carries a Load Index of 91 with a listed max load of 1360 lbs per tire when properly inflated and mounted.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this DOT certified for road use?\u003c\/strong\u003e\u003cbr\u003eYes, the assembly meets or exceeds applicable DOT standards for trailer tire safety and road use.\u003c\/p\u003e","brand":"ROCKMAN","offers":[{"title":"Default Title","offer_id":48203913756891,"sku":"B0DPCZDNDD","price":97.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81dB3LDmv_L._AC_SL1500.jpg?v=1770235460","url":"https:\/\/gearmusthave.com\/products\/rockman-trailer-tire-wheel-assembly-st175-80r13-durable-6-ply-spare","provider":"GearMustHave","version":"1.0","type":"link"}