The best bumper mount spare tire carrier depends on your bumper size, wheel bolt pattern, and how you use your trailer. The Stromberg Carlson TR-1 is a straightforward choice for 4-inch square bumpers and 15- or 16-inch wheels. The Safoner suits buyers seeking a taller post and aluminum construction, while the Joroamp and Lifeswell offer broader listed bolt-pattern compatibility. For buyers who want a folding design, consider the heavy-duty folding bracket.
| Carrier | Best For | Key Fit Or Feature |
|---|---|---|
| Stromberg Carlson TR-1 | Standard RV bumper mounting | 4-inch square bumper; 15- and 16-inch wheels |
| Safoner Aluminum Carrier | Extra tire clearance | 22-inch post; aluminum construction |
| Joroamp Utility Trailer Mount | Multiple wheel bolt patterns | Listed 4-, 5-, and 6-lug patterns; 180-pound maximum load |
| Lifeswell Heavy-Duty Carrier | Broad trailer applications | Listed bolt patterns; 160-pound capacity |
| Folding RV Spare Tire Bracket | Buyers who prefer a folding carrier | 4-inch square bumper; 15- and 16-inch wheels |
Stromberg Carlson TR-1 Rigid Carrier
Best for: RV owners with a 4-inch square bumper and a 15- or 16-inch spare tire. This model is selected for its clearly stated bumper and wheel fit, plus its rigid steel construction.
The TR-1 uses extra-thick welded steel and mounts to a 4-inch square bumper. Its double-nut design is intended to help prevent the carrier from loosening during travel. The listed fit information makes it a practical choice when those dimensions match the trailer and wheel.
Consideration: The listed wheel fit is limited to 15- and 16-inch tires, and the bumper requirement is specific. Check both dimensions before choosing it.
Safoner Aluminum Carrier With Taller Post
Best for: Travel-trailer owners who want a spare positioned higher above a 4-inch bumper. Its 22-inch vertical post is the distinguishing feature, making it a relevant option for buyers concerned about tire clearance on driveways or uneven roads.
The carrier is made from thick aluminum alloy and uses three one-piece formed components without welded joints. Its triple-lock mounting design combines an anti-loosening lock washer with dual nuts to help resist vibration. Choose this model if aluminum construction and the taller post matter for your setup.
Consideration: The stated bumper fit is 4 inches. Confirm the bumper dimensions and tire fit for your particular trailer before purchasing.
Joroamp Utility Trailer Mount
Best for: Utility-trailer owners whose spare wheel matches one of the listed lug patterns. The mount fits specified 4-lug, 5-lug, and 6-lug patterns and has a stated maximum load of 180 pounds.
Its welded, reinforced steel construction has a zinc-plated finish described as corrosion resistant. The three-nut design is intended to hold the wheel securely and reduce vibration and noise. This is a better fit for shoppers prioritizing several listed bolt-pattern options and a clearly stated load limit.
Consideration: The product information does not specify a 4-inch square bumper fit. Verify the mounting arrangement as well as the wheel’s lug count and bolt-circle measurement before buying.
Lifeswell Heavy-Duty Trailer Carrier
Best for: Buyers comparing carriers for utility, boat, cargo, or camper trailers who need a choice among several listed bolt patterns. The stated patterns cover a range of 4-, 5-, and 6-lug configurations.
The carrier uses a fully welded structure with reinforced support tubes and a powder-coated steel finish. Its three locking nuts are designed to resist loosening from vibration, and the stated maximum load is 160 pounds. Choose it if those fit patterns and capacity suit your spare tire and trailer.
Consideration: A 4-inch square bumper fit is not specified in the product details. Confirm how it mounts to your trailer before treating it as a direct bumper-mounted match.
Folding RV Spare Tire Bracket
Best for: RV owners who want a folding carrier for a 15- or 16-inch tire and a 4-inch square bumper. It is selected for its stated folding design and familiar bumper and wheel fit requirements.
This bracket is made from heavy-duty steel and uses a double-nut design intended to prevent loosening during travel. Its listed fit makes it easier to compare with rigid carriers when the trailer bumper and tire dimensions are known.
Consideration: The product details do not explain the folding mechanism or provide a load rating. Check the listing and confirm the carrier suits the intended tire before ordering.
Buying Guide: How To Choose A Bumper Mount Spare Tire Carrier
Does the carrier fit your bumper?
Start with the bumper’s shape and dimensions. Several products here specify a 4-inch square bumper, but the Joroamp and Lifeswell details do not state that same bumper fit. Do not assume that a carrier with a compatible wheel pattern will attach to your bumper. Confirm the mounting method and dimensions for your trailer.
Does the wheel match the carrier?
Check the spare’s lug count and bolt-circle measurement, often written as a pattern such as 5-lug or 6-lug followed by a measurement. The Joroamp and Lifeswell list multiple patterns. The Stromberg Carlson and folding bracket instead specify 15- and 16-inch wheel sizes. Wheel diameter and bolt pattern are separate fit checks.
Which construction and locking design should you compare?
Steel models in this group use welded or reinforced construction, while the Safoner uses aluminum alloy formed components. Product descriptions also list double-nut or multi-nut designs and, in some cases, a locking washer. Compare these stated construction details with your mounting needs; they do not replace checking proper fit.
Will the spare clear the road and trailer?
Consider the carrier’s height and the tire’s position relative to the bumper. The Safoner specifically lists a 22-inch post intended to keep the spare higher above the bumper. For other models, check the product dimensions and the space around your trailer, including access to nearby equipment.
Frequently Asked Questions
What should I measure before buying a bumper-mounted spare tire carrier?
Measure the bumper, tire diameter, lug count, and bolt-circle pattern. Also confirm the carrier’s mounting arrangement and any stated load limit.
Does every trailer spare tire carrier fit a 4-inch square bumper?
No. Some products specify that fit, while others list wheel patterns without stating a 4-inch square bumper connection. Verify the mounting requirements for the exact model.
Is a taller spare tire post useful?
A taller post can position the tire higher above the bumper. The Safoner lists a 22-inch post for this purpose; check its fit and clearance on your trailer.
What does a multi-nut design do?
Several listed carriers use two or three nuts as a fastening feature intended to help resist loosening or vibration. Follow the manufacturer’s installation instructions for the selected carrier.
Can a carrier’s load rating confirm that my tire fits?
No. A load rating describes a stated capacity, not wheel compatibility. Check the tire’s weight, lug pattern, wheel size, and mounting fit separately.