Looking for a reliable RV spare tire mount? This guide compares top options to help you choose a sturdy, vibration-resistant carrier. The best picks align with trailer type, lug patterns, and mounting style, helping RV owners and trailer enthusiasts keep spares secure on rough roads. The table below highlights five standout models and who they’re best for.
| Product | Best For | Lug Pattern Compatibility | |
|---|---|---|---|
| Stromberg Carlson TR-1 | Heavy-duty trailers with 4″ square bumpers | 15″ & 16″ tires | 4″ square bumper mount |
| SPARKWHIZ Spare Tire Carrier | Budget-friendly rugged use on 4″ bumpers | 15″ & 16″ tires | 4″ square bumper mount |
| GADFISH Spare Tire Carrier | Wide lug compatibility; boat trailers included | 4, 5, 6 lug patterns | Universal 4″ mounting |
| Safoner Heavy-Duty Trailer Spare Tire Mount | High clearance and aluminum design | 4, 5, 6 lug wheels | Rear square bumper |
| Adamoss Trailer Spare Tire Mount | Versatile utility trailers with multiple lug patterns | 4–6 lug patterns | 4″ bumper style |
The following sections describe each product’s strengths, who should consider it, and any practical caveats. All information is based on listed features and common installation considerations for 4″ square bumper setups.
Stromberg Carlson TR-1 Rigid Spare Tire Carrier
The Stromberg Carlson TR-1 is a heavy-duty spare tire mount designed for 4″ square bumpers. It supports 15″ and 16″ tires and uses a heavy-welded steel build for durability on rough roads. The double-nut design helps prevent loosening, and quick installation makes it suitable for trailers needing a reliable, long-lasting carrier. Best for buyers seeking a straightforward, robust mounting solution on trailers with standard bumper sizing.
Best for: RV owners with 15″ or 16″ tires and standard 4″ bumper mounts who want a secure, low-maintenance carrier. Beware: limited to bumpers that match the 4″ square profile and 15/16″ tire compatibility.
toolhoper Rv Spare Tire Carrier
The toolhoper spare tire carrier emphasizes a high-ground-clearance, 3-nut design, and a 300-lb capacity. Its triangular welded frame aims to reduce wobble and vibration, making it a solid pick for heavier loads on rugged terrain. The three-nut setup is a notable feature for extra security and quiet operation during travel.
Best for: trailer owners prioritizing high rigidity and minimal tire movement, especially on off-road or uneven terrain. Caution: ensure the mounting hardware and bumper shape match your trailer’s frame to achieve the full 300-lb capacity.
SPARKWHIZ Spare Tire Carrier
The SPARKWHIZ carrier is built to fit 15″ and 16″ wheels on 4″ square bumpers. It uses welded high-strength steel and a double-nut locking system to resist vibration and keep the tire firmly attached. It’s a balanced option for RVs that require a dependable mount without specialized bumper alterations.
Best for: users seeking a straightforward, rattle-free mounting solution with reliable locking hardware. Consider: verify bumper gap and mounting clearance if your setup is near access panels or exhaust routing.
GADFISH Spare Tire Carrier
GADFISH offers broad lug compatibility with 4-, 5-, and 6-lug patterns, plus a 150-lb load rating. Its triangular welded construction and robust behind-plate ensure a secure hold. The design supports versatile applications, including boat trailers, due to its wide hole-pattern compatibility.
Best for: buyers needing flexible lug compatibility across multiple trailer types. Limitation: check overall footprint on your bumper, as wider lug patterns may require additional clearance.
Safoner Heavy-Duty Trailer Spare Tire Mount
Safoner’s aluminum RV spare tire carrier emphasizes a 22″ high-clearance vertical post, helping reduce bumper scraping. The triple-lock mounting design uses anti-loosening hardware to resist vibration and maintain secure mounting through travel. Aluminum construction contributes to corrosion resistance and lighter weight relative to steel options.
Best for: RVs and campers where bumper clearance is tight or parking in urban environments, with a priority on corrosion resistance. Limitation: aluminum carriers may offer less ultimate load tolerance than some steel designs and should be selected based on tire weight and mounting conditions.
Adamoss Trailer Spare Tire Mount
Adamoss presents a versatile spare tire mount with a 160-lb capacity and a three-nut design to lock the tire, reduce vibration, and prevent detachment. It supports multiple lug patterns, including 4-, 5-, and 6-lug wheels, making it suitable for a range of trailers and boat trailers. The welded, triangular subassembly design aims to balance strength and wear resistance.
Best for: buyers who want broad lug compatibility and enhanced locking features. Caution: verify that your tire weight and lug pattern align with the stated maximum load for long-term reliability.
Buying Guide
- Mount compatibility: Confirm bumper type (4″ square) and whether your trailer uses standard 15″ or 16″ tires. Some mounts support wider lug patterns; others are bumper-specific.
- Weight capacity: Match the carrier’s rated weight to your spare tire weight. Heavier tires require higher load ratings and robust mounting hardware.
- Locking and vibration resistance: Look for a three-nut or double-nut design and locking mechanisms to limit loosening and rattling on rough roads.
- Material and corrosion resistance: Steel offers maximum strength; aluminum provides lighter weight and corrosion resistance. Consider environments (salt air, coastal use) when choosing material.
- Clearance and accessibility: A higher post reduces bumper scraping but may affect access in tight spaces. Check vertical clearance for driveways and ramps.
- Lug pattern compatibility: If you own multiple trailers, a carrier with 4-, 5-, and 6-lug options saves buying separate mounts.
Frequently Asked Questions
- Do spare tire mounts fit all trailer bumpers? Most are designed for 4″ square bumpers, but some may fit different bumper profiles. Check specifications before purchase.
- Can I mount a spare tire on a 15″ or 16″ wheel with every carrier? Many carriers support both 15″ and 16″ tires, but verify wheel size compatibility in the product features.
- Why do some mounts use a 3-nut design? A 3-nut design helps secure the tire against vibration and reduces the chance of nut loosening during travel.
- Is aluminum better than steel for RV spare tire mounts? Aluminum is lighter and corrosion-resistant, suitable for marine or coastal use. Steel is typically stronger for heavy tires and demanding use.
- What maintenance is needed for a spare tire mount? Regularly inspect bolts, nuts, and the locking mechanism. Retighten as needed and check for any signs of bending or corrosion.