Keep your RV or trailer spare tire in road-ready condition with the ADCO Size N vinyl tire cover. UV exposure, ozone, and outdoor moisture degrade rubber faster than mileage does -- this cover blocks all three, extending the life of a tire that may sit unmounted for months at a time.
Spare tires on RVs and trailers spend most of their lives mounted on the back, underneath the frame, or on a swing-away carrier -- fully exposed to sun, rain, road grime, and ozone. Unprotected rubber develops surface cracking (weathering or ozone cracking) that weakens the sidewall long before the tread wears out. The ADCO Size N cover wraps the tire in heavy-duty vinyl and stays put through highway speeds and varied weather.
ADCO part number 1739 is sized specifically for 24-inch diameter spare tires (Size N), making it the correct fit for a wide range of travel trailers, fifth wheels, and motorhome spare carriers in that wheel size. It ships as a single unit -- order one per spare tire.
Thick UV-resistant vinyl resists fading, cracking, and moisture intrusion to keep the tire protected through multiple seasons of outdoor storage and travel.
A hollow bead welt cord runs the perimeter of the back opening, held in place by elastic, so the cover snugs tightly to the tire and resists wind lift on the road.
All seams are reinforced with nylon thread rated for tear resistance, preventing the cover from splitting at stress points during installation or in high-wind conditions.
Blocks the UV radiation and ozone exposure that cause sidewall weathering, surface cracking, and rubber oxidation -- the most common causes of premature spare tire failure.
A spare tire that has been UV-baked for two or three seasons may look fine from a distance but fail under load due to invisible sidewall degradation. Tire manufacturers and RV technicians consistently recommend covering any tire that will be stored or parked in sunlight for extended periods. The ADCO cover is one of the simplest, most cost-effective maintenance items an RV owner can add.
Slip the cover over the face of the tire and pull the elasticized back edge around the rear of the tire. The bead welt cord draws the opening snug against the tire's back sidewall, holding the cover in place without straps or fasteners. No tools required. The cover can remain on the tire while it is mounted on a swing-away carrier, bumper mount, or underbody spare carrier.