Answering the search for a reliable trailer spare tire carrier with lock, this guide highlights top options designed to deter theft, fit common bolt patterns, and work on boat trailers, utility trailers, and more. The selections below are best for different needs: heavy-duty protection, universal compatibility, ease of installation, and forged security. Use the quick product table to compare core specs at a glance.
| Product | Best For | Key Benefit |
|---|---|---|
| Seachoice Lockable Spare Tire Carrier | Boat trailers and tongue-frame mounting | Secure lockable U-bolt system for 3″ wide mounts |
| TRIMAX Spare Tire Nut Lock | Universal side-mount tires and propane tanks | Tamper-resistant, deters theft with simple Install |
| GADFISH Spare Tire Carrier | Heavy-duty, versatile bolt patterns | Supports 4–6 lug patterns up to 150 lbs |
| MAXXHAUL 80071 Carrier | Boat trailers needing extra clearance | Raised, angled mount for easy access |
| TRIMAX ST30 Cable Lock | Multi-vehicle fleet and diverse trailers | Locks both tire and bracket with a single cable |
Seachoice Lockable Spare Tire Carrier for Boat Trailer
The Seachoice model provides a lockable U-bolt carriage to secure a spare trailer tire. It is designed for installation on a tongue or frame up to 3 inches wide, and it fits 4- or 5-hole rims. This option is best for boat trailers that require a simple, corrosion-resistant lock location and quick tire access. It’s a solid choice for boat owners prioritizing straightforward security without complex hardware. Consider this if your trailer uses standard 4/5-hole rims and a up-to-3-inch mounting surface.
Best for: boat trailers needing a lockable, straightforward spare tire mount. Limitation: may not fit non-standard rims or wider frames beyond 3 inches.
TRIMAX TNL740 Spare Tire Nut Lock
The TRIMAX Nut Lock is designed for universal side-mount tires and can secure tires on various vehicles, including trailers and SUVs. It doubles as a locking solution for propane tanks, offering versatility beyond tires. This model is best for buyers seeking a compact, easy-install lock that deters theft across multiple mounting scenarios. Use this if you want a single lock that covers tires and other essential gear. Caution: verify compatibility with your specific side-mount hardware before purchase.
GADFISH Spare Tire Carrier
The GADFISH carrier is a heavy-duty mounting bracket designed for 4, 5, or 6-lug wheels with bolt patterns up to 5.5 inches. It supports up to 150 pounds and uses a reinforced triangular structure with a robust back plate for stability. This option is best for owners needing broad lug-pattern compatibility and higher weight capacity, especially on boat trailers. Choose this if you want a secure, rugged mount that adapts to multiple wheel configurations. Limitation: heavier unit may require stronger mounting hardware and tools for installation.
MAXXHAUL 80071 Powder Coat Black Carrier
This MAXXHAUL spare tire carrier features a raised, angled mount design that provides extra clearance for the spare tire. It supports 4- and 5-lug wheels, with a weight capacity of up to 100 pounds. It is well-suited for boat trailers where access and clearance are priorities. Best for: trailers requiring easier tire access and a sturdy, corrosion-resistant finish. Caution: not compatible with 5 on 4-3/4″ or 5 on 5″ bolt patterns.
TRIMAX ST30 Spare Tire Cable Lock
The TRIMAX ST30 Cable Lock secures both the tire and the mounting bracket, offering full security for multiple vehicle types such as boat trailers, motorhomes, trucks, Jeeps, and vans. The lock cable loops around the frame to protect both components. This solution is best for owners seeking dual protection with a single cable. Limitation: may require proper alignment of the cable to avoid interference with mounting hardware.
Buying Guide
What should you consider when choosing a trailer spare tire carrier with lock?
- Mounting compatibility: Check if the carrier fits your tongue width or frame and matches your lug pattern (4×4, 5×4.5, 6×5.5, etc.).
- Weight capacity: Ensure the unit supports your spare tire weight, especially on larger trailer cargos.
- Locking mechanism: Decide between a lockable U-bolt, nut-lock, or a full cable lock for your security preference.
- Protection against corrosion: Look for powder-coated or galvanized finishes for saltwater or coastal environments.
- Installation ease: Some models offer quick-install options with minimal tools required.
- Versatility: If you need to secure other items (propane tanks, brackets), consider multi-use locks.
Frequently Asked Questions
- What bolt patterns are most common for trailer spare tires?
Most are 4-lug or 5-lug patterns such as 4×4, 5×4.5, 5×5, but verify your wheel specification. - Is a cable lock sufficient for trailer security?
Cable locks deter casual theft and protect both tire and bracket when properly positioned, but for highly secure setups, combine with a secondary locking method. - Can these carriers fit boat trailers?
Yes, several models are designed for boat trailers and tongue-frame mounting, with emphasis on corrosion resistance. - Do these carriers support heavy tires?
Some models support up to 150 pounds; check specific weight limits before installation. - Will installation require drilling?
Most units install with existing holes and brackets; some may require simple mounting hardware depending on your trailer. - Can I use these on other vehicles besides trailers?
Certain locks are versatile enough for motorhomes, Jeeps, and vans, depending on mounting points.