{"product_id":"wonwopn-3-inch-boat-trailer-roller-assembly-fits-for-3-inch-1","title":"Wonwopn 3 Inch Boat Trailer Roller Assembly, 3 inch pvc roller assembly, 3.5\" diameter, corrosion-resistant PVC","description":"\u003cp\u003e\u003cstrong\u003eWonwopn 3 Inch Boat Trailer Roller Assembly is a heavy-duty PVC roller set engineered to fit 3-inch brackets and protect your boat during loading, towing, and storage.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis roller assembly replaces worn or damaged rollers on small to medium boat trailers and is built to resist corrosion, flattening, and hull marring. Constructed from long-lasting polyvinyl chloride (PVC) and fitted with protective end bells, the unit absorbs road shock while guiding your boat securely onto the trailer. The assembly’s measured dimensions and 1\/2-inch attachment bolt make it a direct replacement for many standard 3-inch bracket systems.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Wonwopn roller assembly protect my boat hull?\u003c\/h3\u003e\n\n\u003cp\u003eThe PVC roller surface is non-marring and smoother than many rubber alternatives, reducing the risk of scratches during launch and retrieval. End bells keep the hull away from metal bolts and brackets so contact is cushioned and aligned rather than abrasive. The roller’s diameter distributes load to reduce pressure points that can cause flat spots.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePVC construction resists abrasion and won’t mark gelcoat.\u003c\/li\u003e\n  \u003cli\u003eEnd bells prevent direct contact with bolts and frame edges.\u003c\/li\u003e\n  \u003cli\u003e3.5\" diameter spreads weight to lower surface pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my existing 3-inch trailer bracket and hardware?\u003c\/h3\u003e\n\n\u003cp\u003eThis assembly is designed to fit common 3-inch bracket setups, with the inner roller measuring 2.92 inches long and a 1\/2-inch attachment bolt size. Overall length and diameter are specified so you can compare against your current rollers—measure your bracket spacing and bolt diameter before ordering. Many users find it drops into place as a one-to-one replacement for worn roller parts.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eInner roller length: 2.92 inches — fits standard 3\" bracket spans.\u003c\/li\u003e\n  \u003cli\u003eAttachment bolt: 1\/2 inch — matches typical trailer hardware.\u003c\/li\u003e\n  \u003cli\u003eOverall dimensions: 5-1\/4\" long x 4-3\/4\" diameter for clearance checks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes PVC a better choice than rubber for trailer rollers?\u003c\/h3\u003e\n\n\u003cp\u003ePVC is tougher against abrasion, resists chemical corrosion from salt and UV exposure, and holds its round profile under load so it won’t develop flat spots. Unlike some rubber rollers, PVC won’t absorb water and degrade, extending service life in marine environments. The material’s firmness also helps with smooth guiding when loading heavier boats.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCorrosion-resistant: PVC does not rust and stands up to saltwater exposure.\u003c\/li\u003e\n  \u003cli\u003eNon-flatting: resists developing flat spots under repeated loads.\u003c\/li\u003e\n  \u003cli\u003eDurable and firm: provides consistent guidance and support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this assembly handle road shock and towing stress?\u003c\/h3\u003e\n\n\u003cp\u003eBuilt to cushion impact, the roller absorbs bumps and vibrations from road travel so stress on both hull and trailer hardware is reduced. The combination of proper diameter and robust PVC material dissipates energy from bouncing and docking impacts. End bells add containment to keep the roller centered and prevent lateral movement during transit.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eShock absorption reduces transmitted forces to hull and frame.\u003c\/li\u003e\n  \u003cli\u003eEnd bells stabilize roller and prevent side-to-side slip.\u003c\/li\u003e\n  \u003cli\u003eDurable construction maintains shape under towing stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Wonwopn 3 Inch Boat Trailer Roller Assembly is suited for boat owners, marina operators, and trailer repair shops that need a reliable, long-lasting replacement for worn rollers on 3-inch bracket trailers. It’s ideal for users who want a corrosion-resistant option that won’t mark gelcoat, and for those seeking an easy retrofit with standard 1\/2-inch attachment hardware. If you regularly launch and retrieve your boat or tow over mixed-road conditions, this roller assembly offers consistent protection and extended service life.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this roller fit a 3-inch bracket?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The inner roller is 2.92\" long and designed to fit standard 3-inch bracket spacing with a 1\/2\" attachment bolt.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the roller suitable for saltwater use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The PVC construction resists corrosion and won’t rust, making it suitable for freshwater and saltwater environments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Wonwopn","offers":[{"title":"Default Title","offer_id":48020961263777,"sku":"B0C4NTPQ91","price":71.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/wonwopn-front-view.jpg?v=1791303511","url":"https:\/\/canadiansporting.ca\/products\/wonwopn-3-inch-boat-trailer-roller-assembly-fits-for-3-inch-1","provider":"Canadian Sporting","version":"1.0","type":"link"}