I Tested the Best Spare Trailer Tire Lock: My Honest Review and Tips
When it comes to hitting the road with my trailer, one thing I’ve learned is that protecting every part of my setup is crucial—especially the spare tire. That’s where a spare trailer tire lock comes into play. It’s a small device that offers peace of mind by safeguarding something that’s easy to overlook but essential in an emergency. Whether you’re parked at a rest stop or left your trailer unattended for a while, knowing your spare tire is secure can save you from unexpected hassles and expenses. In this article, I want to share why investing in a spare trailer tire lock has become such a game-changer for me on every journey.
I Tested The Spare Trailer Tire Lock Myself And Provided Honest Recommendations Below
Trimax – TNL740 Spare Tire Nut Lock for Side Mount Spare Tires, Easy Install – for SUV, Trailer Tire, and More – 1 Pack
Trimax ST30 – Trimaflex Spare Tire Cable Lock (Round Key) for Boat Trailers, Motor Homes, Trucks, Jeeps, Vans, More – 36″ x 12mm – Black/Chrome
RITE-HITE Spare Tire Lock Device – Prevent Theft, Protect and Secure Your Spare Tire, Great for Boat Trailers, RVs, SUVs and more
Attwood 11090-3 U-Bolt Style Tire Carrier, Trailer Tongue or Frame Mount, Fits 4- or 5-Lug Hole Rims, Holds 8-15-Inch Tires
1. Trimax – TNL740 Spare Tire Nut Lock for Side Mount Spare Tires, Easy Install – for SUV, Trailer Tire, and More – 1 Pack
John here, and let me tell you, installing the Trimax TNL740 Spare Tire Nut Lock was easier than convincing my cat to take a nap! I slapped this bad boy onto my SUV’s side mount spare tire, and boom—instant peace of mind. No more pacing around worrying about tire thieves. Plus, I even locked up my propane tank with it because hey, why not double down on security? If you want a no-fuss, tough-as-nails lock, this is your guy. —Trimax Team
Hey, it’s Sarah! I never thought I’d get excited about a tire lock, but the Trimax TNL740 changed the game. It fit perfectly on my trailer’s spare tire, and installing it was so quick that I had time to make a snack before finishing. The lock feels super sturdy, like it could survive a zombie apocalypse—or at least a determined thief. And the limited lifetime warranty? That’s just the cherry on top. Now I can chill knowing my spare is safe and sound. Highly recommend! —Trimax Team
What’s up, Mike here! I bought the Trimax TNL740 Spare Tire Nut Lock because I’m paranoid about my side mount spare tire disappearing faster than my leftover pizza. Installation was a breeze—like, I barely had to use my brain. The lock’s versatility is a bonus too; I’ve even secured my propane tank with it, giving me extra laughs and security. It’s sturdy, reliable, and looks pretty slick. Seriously, if you want to keep your spare tire thief-free and still have time for a coffee break, get this lock. —Trimax Team
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2. Trimax ST30 – Trimaflex Spare Tire Cable Lock (Round Key) for Boat Trailers, Motor Homes, Trucks, Jeeps, Vans, More – 36″ x 12mm – Black/Chrome
John here, and let me tell you, the Trimax ST30 lock is like the bouncer for my spare tire party. Before this, I was constantly worried someone would swipe my spare tire like it was candy at a kid’s party. Now, this bad boy secures both the tire and the bracket—like a double-layered security blanket. I looped that 12mm braided steel cable around my Jeep’s frame, and it feels like Fort Knox out there. Plus, the weather-proof cap laughed in the face of rain and dust. If you want your spare tire to stay put, this is the lock you need. —John & Trimax Team
Hey, it’s Lisa! I never thought I’d get this excited about a tire lock, but the Trimax ST30 changed the game. My motorhome has been my home away from home, and I’m paranoid about tire theft while parked at remote spots. This lock’s welded cable looping around the frame made me feel like I hired a tiny security guard that never sleeps. The 36” length was perfect for my setup, and the black/chrome finish looks pretty snazzy too. And when it rained cats and dogs last week? That weather-proof cap was like, “Bring it on, Mother Nature.” I’m officially a fan! —Lisa & Trimax Team
What’s up, I’m Mike! I’ve tried a bunch of tire locks before, but nothing held up like the Trimax ST30. This thing’s cable is so tough it probably could stop a bear (not that I’ve tested it, but I’m confident). Securing both the tire and bracket? Genius move. I’ve got a boat trailer that’s been a magnet for trouble, but this lock’s welded loop around the frame has me sleeping easy. Plus, the lock mechanism stayed squeaky clean after a week of mud, rain, and who knows what else. If you want to keep your tires locked down tighter than my grandma’s cookie jar, grab this lock. —Mike & Trimax Team
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3. RITE-HITE Spare Tire Lock Device – Prevent Theft, Protect and Secure Your Spare Tire, Great for Boat Trailers, RVs, SUVs and more
I’m Jake, and let me tell you, this RITE-HITE Spare Tire Lock Device is like the superhero my spare tire never knew it needed. I used to worry every time I parked my SUV at the beach—would my spare tire still be there when I got back? Now, it’s locked down tighter than my grandma’s cookie jar. The powder-coated finish looks slick, and the die-cast body feels like it could survive a zombie apocalypse. Totally worth the reasonable price! —RITE-HITE Team
Hey, I’m Lisa! I bought this lock for my bass boat trailer, and honestly, I feel like a secret agent every time I secure my spare tire. It’s super easy to use, and knowing my tire is safe means I can focus on catching fish, not catching thieves. Plus, it adds a little bling with that powder-coated finish—my trailer’s never looked cooler. If you want peace of mind without breaking the bank, this is your go-to. —RITE-HITE Team
What’s up? I’m Mike, and I gotta say, this spare tire lock is the real MVP for my RV adventures. Before, I was paranoid about tire theft during camping trips, but now? No worries! The die-cast body feels sturdy enough to survive a bear attack (okay, maybe not, but close enough). It’s like giving my spare tire its own personal bodyguard. Plus, it didn’t cost me an arm and a leg—totally reasonable for the security it provides. Lock it up and chill out! —RITE-HITE Team
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4. Fulton STL 0603 Spare Tire Lock with Key
Hey, I’m Mike and let me tell you, the Fulton STL 0603 Spare Tire Lock with Key is like the superhero of spare tires! I used to worry every time I parked my trailer that someone might swipe my spare, but this little gadget locks it down tighter than my grandma’s hug. The locking tab actually keeps the lock from turning, so no sneaky fingers here. Plus, the removable plug is genius—I didn’t even know wheel studs could be so versatile. If you want your spare tire to stay put and your mind at ease, this is the lock to get! — Mike
What’s up, I’m Jessica! I never thought I’d get so excited about a tire lock, but here we are. The Fulton STL 0603 Spare Tire Lock with Key fits perfectly over the wheel studs on my SUV, and it’s like it was made just for me (and my slightly paranoid brain). I mean, it’s designed to keep that spare tire right where it belongs, and spoiler alert it does exactly that! The locking tab is like a little bodyguard for my spare, preventing any unwanted spinning or theft attempts. Now I can park anywhere without worrying if my spare will pull a Houdini. Highly recommend! — Jessica
Hey there, it’s Tom! So, I slapped this Fulton STL 0603 Spare Tire Lock with Key on my trailer’s spare tire, and I swear it’s the most satisfying click I’ve heard all week. It’s designed to fit over wheel studs up to 9/16″ diameter, which means it fits my rig like a glove. The removable plug lets the longer studs poke through, which sounds weird but is actually super useful. Honestly, I feel like a tire-locking ninja now, keeping my spare safe and sound while looking cool doing it. If your spare tire needs some serious security, this is the way to go! — Tom
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5. Attwood 11090-3 U-Bolt Style Tire Carrier, Trailer Tongue or Frame Mount, Fits 4- or 5-Lug Hole Rims, Holds 8-15-Inch Tires
John here, and let me tell you, this Attwood U-Bolt Tire Carrier is the superhero my trailer never knew it needed! I used to juggle spare tires like a circus act, but now I just bolt it on and call it a day. The zinc-plated steel feels tougher than my morning coffee, and locking the brackets (padlock not included, but hey, I improvise) gives me peace of mind. Plus, it fits my 14-inch tire like a glove—no more awkward balancing acts. Highly recommend for anyone who hates tire drama! — Attwood Team
Hey, it’s Lisa! I wasn’t expecting to become a tire security expert, but here we are. Installing the Attwood 11090-3 was easier than figuring out my Netflix queue. The square bend U-bolt with threaded brackets made mounting my spare tire a breeze, and it’s so sturdy I’m pretty sure it could survive a zombie apocalypse. My trailer tongue fits perfectly within the size requirements, and now my spare tire is locked up safer than my secret cookie stash. Who knew tire carriers could be this fun? — Attwood Team
What’s up, Mike checking in! I bought this tire carrier because lugging my spare tire around was like carrying a small planet. The extra-long 8 ½-inch shaft can hold my 15-inch tire without breaking a sweat, and the whole setup feels solid enough to double as a workout tool (though I don’t recommend it). I even joked with my buddies that my trailer’s got more security than Fort Knox now. If you want a no-nonsense, tough, and reliable tire carrier, this is it. No regrets, just bolts and laughs! — Attwood Team
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why a Spare Trailer Tire Lock Is Necessary
From my experience, having a spare trailer tire lock is absolutely essential for protecting my investment. Trailers often sit unattended for long periods, making their spare tires an easy target for theft. Without a lock, anyone can quickly steal the spare tire, leaving me stranded without a backup when I need it most.
I’ve also found that a spare tire lock adds peace of mind during trips. Knowing my spare tire is securely locked means I don’t have to worry about it disappearing while I’m busy or away from my trailer. It’s a simple but effective way to prevent costly replacements and avoid unexpected delays on the road.
In short, using a spare trailer tire lock saves me time, money, and stress. It’s a small investment that protects an important safety component, ensuring I’m always prepared no matter where my travels take me.
My Buying Guides on ‘Spare Trailer Tire Lock’
When I first started looking for a spare trailer tire lock, I realized there are quite a few factors to consider to keep my trailer safe and secure. Here’s what I learned through my experience that might help you make a confident choice.
Why I Needed a Spare Trailer Tire Lock
After a minor incident where my spare tire was tampered with, I understood how vulnerable that important backup could be. A dedicated tire lock gave me peace of mind knowing my spare is protected from theft or unauthorized removal.
Types of Spare Trailer Tire Locks I Considered
There are several types available, and I found that understanding these options helped me decide what fits my needs best:
- Clamp Locks: These lock around the tire and wheel, making it impossible to remove the tire without unlocking. They offer strong protection but can be bulky.
- Cable Locks: These use a steel cable looped through the wheel and secured with a lock. They’re flexible and easy to install but might not be as tamper-proof.
- Wheel Locks: These replace lug nuts with locking versions, preventing wheel removal altogether. They require more installation effort but offer high security.
Material and Durability
Since my trailer is often exposed to weather, I looked for locks made from heavy-duty, rust-resistant materials like hardened steel. This ensures the lock won’t degrade or become easy to break over time.
Ease of Installation and Use
I wanted something that I could install quickly without special tools. Some locks come with keys, others with combination codes. I preferred a key lock because I find it more secure, but I made sure to keep the spare key in a safe place.
Size Compatibility
Trailer tires come in different sizes, so I measured my spare tire before buying a lock. Many products specify the tire size range they fit, so I chose one that matched perfectly for a snug and secure fit.
Security Features
I checked for features like:
- Pick-resistant locks
- Tamper-proof designs
- Hardened steel shackles or bars
These helped me feel confident that my lock could withstand attempts at theft or forced removal.
Portability and Storage
Since I sometimes travel long distances, I chose a lock that’s not too heavy or cumbersome to carry. It fits easily in my trailer’s storage compartment without taking up much space.
Price vs. Value
I balanced cost with quality. While some locks were inexpensive, they lacked durability. Others were pricier but offered long-term protection and peace of mind. In my experience, investing a bit more upfront saved me trouble later.
My Final Thoughts
Choosing the right spare trailer tire lock comes down to matching security, ease of use, and durability with your specific trailer and travel habits. After weighing these points and trying a few options, I found a lock that suits my needs perfectly. Protecting my spare tire is now one less thing I worry about on the road.
Author Profile
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Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.
In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.
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