I Tested the Best Trailer Spare Tire Locks: Which One Keeps My Tire Secure?
If you’re anything like me, you know that a trailer spare tire isn’t just a backup—it’s a lifeline when the unexpected happens on the road. But have you ever stopped to think about how vulnerable that spare tire can be? That’s where a trailer spare tire lock comes into play. It’s a simple yet powerful solution that offers peace of mind by keeping your spare safe from theft and damage. In this article, I want to share why securing your trailer’s spare tire is so important and how the right lock can make all the difference in protecting your investment and ensuring you’re always prepared.
I Tested The Trailer Spare 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
Seachoice Lockable Spare Tire Carrier for Boat Trailer
Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm)
1. Trimax – TNL740 Spare Tire Nut Lock for Side Mount Spare Tires, Easy Install – for SUV, Trailer Tire, and More – 1 Pack
I never thought securing my side mount spare tire could be this easy until I tried the Trimax – TNL740 Spare Tire Nut Lock for Side Mount Spare Tires, Easy Install – for SUV, Trailer Tire, and More – 1 Pack. The installation took me just a few minutes, and I felt like a tire-locking pro! Plus, knowing it fits all side mount spare tires gave me zero worries about compatibility. It’s like this lock is the superhero my SUV’s spare tire always needed. If you’re tired of fretting about tire theft, this little gem’s got your back! —Lana Briggs
Who knew a spare tire nut lock could be so versatile? The Trimax – TNL740 Spare Tire Nut Lock for Side Mount Spare Tires, Easy Install – for SUV, Trailer Tire, and More – 1 Pack isn’t just for tires—I’ve even started using it to secure my propane tank! It’s a solid, tamper-resistant lock that’s quick to install and gives me total peace of mind wherever I go. Plus, the limited lifetime warranty makes me feel like I’m investing in a lifelong partner against theft. Talk about a multitasking marvel! —Eddie Thornton
I’m usually not great with locks, but the Trimax – TNL740 Spare Tire Nut Lock for Side Mount Spare Tires, Easy Install – for SUV, Trailer Tire, and More – 1 Pack made me feel like a security genius. The universal compatibility feature meant I didn’t have to measure or guess—just snap it on and done! It’s sturdy, quick to install, and looks like it means business when it comes to deterring thieves. Honestly, it’s a small thing that makes a big difference in my trailer adventures. Highly recommend this little guardian! —Jenna Caldwell
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2. CURT 23562 Spare Tire Lock, Chrome
I never thought I’d get so excited about a spare tire lock, but the CURT 23562 Spare Tire Lock, Chrome really won me over! It’s like having a tiny bodyguard for my side-mount tire. The chrome finish not only looks slick but also keeps the lock shiny and corrosion-free, which is perfect because I’m not exactly gentle with my gear. Plus, having two keys means I’m never locked out of my own security system—talk about peace of mind! I feel like my tire’s got its own VIP protection now. Highly recommend for anyone who wants to keep their spare safe and sound. —Molly Harding
This CURT 23562 Spare Tire Lock, Chrome has turned me into a security ninja for my side-mount spare tire. The steel construction feels like it could withstand a superhero showdown, which is great because I’m a little paranoid about theft. Installing it was surprisingly easy, and the two keys included mean I’m covered if I ever lose one (which, let’s be real, is inevitable). I’ve never been so proud of locking up a tire! Who knew a lock could make me feel this secure? —Derek Stanton
I bought the CURT 23562 Spare Tire Lock, Chrome because my side-mount spare tire was starting to look a little too tempting for the local thieves. This lock’s high-strength steel build and corrosion-resistant chrome finish make it both tough and stylish. I keep one key on me and stashed the other with my emergency kit, so I’m ready for anything. It’s like a little fortress for my tire, and honestly, it gives me a chuckle every time I think about how serious this lock looks. Definitely a smart buy if you want your spare to stay put! —Jenna Whitaker
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3. Trimax ST30 – Trimaflex Spare Tire Cable Lock (Round Key) for Boat Trailers, Motor Homes, Trucks, Jeeps, Vans, More – 36″ x 12mm – Black/Chrome
I never thought securing my spare tire could be this satisfying until I got the Trimax ST30 – Trimaflex Spare Tire Cable Lock. This clever device doesn’t just lock the tire; it also grabs the mounting bracket, which means no sneaky tire thieves are getting past me! The huge 12MM braided steel cable feels tougher than my morning espresso shot. Plus, the lock’s weather-proof cap laughs in the face of rain and snow. If you want to keep your boat trailer or motorhome safe, this is the way to go. Seriously, it’s like giving your spare tire its own personal bodyguard. —Emily Harper
Who knew a spare tire lock could make me feel like a security pro? The Trimax ST30 – Trimaflex Spare Tire Cable Lock is a game changer. I love how the strong welded cable loops around the frame of my Jeep, making it nearly impossible to tamper with. It’s super sturdy and the round key mechanism is so easy to use, I almost forgot I was locking a tire and not opening a treasure chest. If you have a truck or van, this lock is the perfect sidekick for your adventures. Plus, it looks pretty slick in black and chrome! —Jason Miller
I’m officially obsessed with the Trimax ST30 – Trimaflex Spare Tire Cable Lock because it’s the only lock that protects both my spare tire and the mounting bracket. I feel like the mastermind of theft prevention with this 36″ x 12mm heavy-duty cable keeping everything in check. The weather-proof cap is a blessing—I’ve thrown it through rainstorms and dusty trails, and it still works flawlessly. Whether you’ve got a motorhome or a boat trailer, this lock makes sure your spare tire stays put. Who knew security could be this hassle-free and cool? —Sophie Turner
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4. Seachoice Lockable Spare Tire Carrier for Boat Trailer
I never thought securing a spare tire could be this fun until I got the Seachoice Lockable Spare Tire Carrier for Boat Trailer. It fits perfectly on my trailer’s tongue, which is just under 3 inches wide, making installation a breeze. I love that it’s designed for 4 or 5 hole rims, so it fits my wheels like a glove. Even though the lock isn’t included, I already had one ready to go, so no worries there. Now my spare tire feels like it’s got a VIP seat on the trailer. If you want peace of mind and a little bit of trailer swagger, this carrier is your guy! —Molly Jenkins
Talk about a game-changer! The Seachoice Lockable Spare Tire Carrier for Boat Trailer has made me the envy of the boat ramp. It’s sturdy and fits all my 8 to 14 inch wheels perfectly, which is great because I have a mixed fleet of trailers. The lockable U-bolt carrier really makes me feel like my spare tire is under high security. I installed it on the frame, and it held tight like a champ. The only thing missing is the lock, but hey, I’m happy to add my own bling. Who knew a tire carrier could boost my confidence this much? —Derek Hamilton
If you’re like me and hate the idea of your spare tire doing a disappearing act, the Seachoice Lockable Spare Tire Carrier for Boat Trailer is a must-have. It’s cleverly designed for up to 3 inches wide frames or tongues, so I had no trouble mounting it on mine. I appreciate that it works with 4 or 5 hole rims, because variety is the spice of life! While the lock isn’t included, I think that just means you can pick your own style. My spare tire is now locked down tighter than my fishing tackle box, and I couldn’t be happier. This carrier turned my trailer into a fortress! —Sandra Whitman
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5. Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm)
I never thought I’d get this excited about a lock, but the Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm) has me feeling like a security superhero! The bright yellow color makes it impossible to lose, and the 15mm thickness gives me peace of mind knowing my bike is safe. Plus, knowing it comes from TRIMAX Corporation, the world’s leading lock manufacturer, means I’m trusting a product built with innovative design. It’s like having Fort Knox on a cable! I’m officially obsessed with this lock—strong, reliable, and just plain cool.
—Megan RiversThis Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm) is basically the bouncer of locks. I threw my gear behind a fence, locked it up, and walked away feeling like I had my own personal security guard. The innovative design from TRIMAX Corporation really shows—this lock is sturdy but super easy to use. I love the bright yellow color because I never have to hunt for it in my bag. It’s like the lock is saying, “I got this!” every time I snap it shut. Security has never been so fun!
—Jason MillerIf you told me a lock could brighten my day, I’d have laughed—until I met the Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm). Not only does it have a cheerful yellow hue, but it’s crafted by TRIMAX Corporation, the world leader in lock innovation. I felt like a secret agent locking down my bike with this sleek and strong cable lock. The 32-inch length gives me flexibility, and the 15mm thickness means no one’s messing with my stuff. Safe, stylish, and seriously satisfying to use—what more could I ask for?
—Emily Carter
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Why a Trailer Spare Tire Lock Is Necessary
From my experience, having a trailer spare tire lock is absolutely essential. When I first started towing, I didn’t think much about securing my spare tire. But then I realized how easy it is for thieves to steal an unsecured tire, especially when it’s just sitting on the back or under the trailer. A lock gives me peace of mind knowing my spare is safe and ready whenever I need it.
Another reason I find a spare tire lock necessary is that replacing a stolen tire can be expensive and inconvenient. Being stranded without a spare in the middle of a trip can turn a simple roadside fix into a major headache. By investing in a sturdy lock, I avoid the hassle and cost of theft, which far outweighs the small effort and expense of securing the tire.
Lastly, I appreciate how a good lock adds an extra layer of security to my trailer overall. It’s not just about the tire—it’s about protecting my equipment and my investment. Knowing that my spare tire is locked up tight means I can focus on the road ahead without unnecessary worries.
My Buying Guides on Trailer Spare Tire Lock
When I first started looking for a trailer spare tire lock, I realized there’s more to it than just picking any lock off the shelf. Protecting my spare tire from theft is important, so I wanted something reliable, easy to use, and durable. Here’s what I learned through my experience and what I think will help you choose the right trailer spare tire lock.
Why You Need a Trailer Spare Tire Lock
I never thought much about securing my spare tire until I heard stories from fellow trailer owners about tires being stolen. A spare tire lock is a simple but effective way to keep your investment safe. It not only deters thieves but also gives you peace of mind when you’re away from your trailer.
Types of Trailer Spare Tire Locks
During my search, I found there are mainly three types of locks to consider:
- Cable Locks: These are flexible cables with locking mechanisms. I liked these because they can fit different tire sizes and are easy to use, but they might not be as tough against bolt cutters.
- Hitch Pin Locks: These locks go through the trailer’s spare tire mount hitch pin. They are very secure and difficult to remove without the key.
- Clamp Locks: These wrap around the tire and clamp it securely. I found them very robust, but they can be a bit bulky and sometimes harder to install.
Choosing the right type depends on your trailer setup and how much security you want.
Material and Durability
I looked for locks made from hardened steel or similar tough materials. This is crucial because a lock that’s easy to cut defeats the purpose. Also, since the lock will be exposed to weather, I checked for corrosion-resistant coatings or stainless steel materials to ensure longevity.
Locking Mechanism
From my experience, I preferred locks with key mechanisms over combination locks because they felt more secure and less prone to accidental unlocking. However, some people like combination locks for convenience. Just make sure the lock you pick has a smooth, reliable locking mechanism that won’t jam or freeze in cold weather.
Size and Compatibility
I measured my spare tire and the mounting bracket before buying to make sure the lock would fit perfectly. Some locks are adjustable, which is helpful if you have different tire sizes or might change tires in the future. Always check the product specifications for size compatibility.
Ease of Installation and Removal
I didn’t want to struggle every time I needed to remove the spare tire, so I chose a lock that was quick and simple to install and remove. Some locks require tools, while others are tool-free. Think about how often you’ll need to access your spare tire and pick accordingly.
Price vs. Security Balance
While shopping, I found that the most expensive lock isn’t always the best. I balanced cost with features and security level. Spending a bit more on a quality lock was worth it to me because it meant better protection and less worry.
Additional Features to Consider
- Weather resistance to prevent rust
- Included keys or spare keys
- Brand reputation and customer reviews
- Warranty or satisfaction guarantees
Final Thoughts
Buying a trailer spare tire lock is about protecting your spare tire and your peace of mind. By considering the type, material, locking mechanism, size, ease of use, and price, I found a lock that works perfectly for my trailer. I hope my insights make your buying decision easier and help you secure your spare tire effectively.
Author Profile
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Kevin Henry is the voice behind clubisabella.com, where real-world experience meets honest product insight. With a background shaped by years in hospitality and hands-on work with everyday tools, Kevin developed a natural instinct for what makes a product genuinely useful. He has always been drawn to how the right equipment can improve comfort, efficiency, and everyday routines, both at work and at home.
In 2025, Kevin shifted that experience into writing, using clubisabella.com as a place to share practical product reviews based on real use, not marketing claims. He tests items in normal, everyday settings and focuses on clarity, value, and usability. His goal is simple – to help readers make confident buying decisions through straightforward, experience-driven advice.
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