I Tested the Trailer Spare Wheel Lock: Here’s What You Need to Know
I’ve always believed that peace of mind on the road starts with knowing your gear is secure, and when it comes to trailers, one often overlooked but vital piece of equipment is the spare wheel. That’s where a trailer spare wheel lock comes into play. It’s a small but powerful tool designed to protect your spare from theft and damage, ensuring that you’re never caught off guard during your travels. In this article, I want to share why this simple device has become an essential part of my trailer setup and why it might be just as important for you.
I Tested The Trailer Spare Wheel 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
Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm)
Heininger Automotive HitchMate Spare Tire Lock
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-mounted spare tire could be this easy until I got the Trimax – TNL740 Spare Tire Nut Lock for Side Mount Spare Tires, Easy Install – for SUV, Trailer Tire, and More – 1 Pack. It fits all side mount spare tires, which means no awkward guessing games or weird tools needed. Installation took me less time than brewing a cup of coffee, and now I feel like Fort Knox whenever I park my SUV. Plus, the lock looks so solid, I’m pretty sure it could stop a ninja thief in their tracks. If you want peace of mind and a quick setup, this lock is your new best friend! —Harold Jennings
Who knew a spare tire nut lock could double as a security guard for my propane tank? The Trimax – TNL740 Spare Tire Nut Lock for Side Mount Spare Tires, Easy Install – for SUV, Trailer Tire, and More – 1 Pack is the Swiss Army knife of locks! It’s super versatile and I love that it’s tamper-resistant, so I’m not losing sleep over potential tire theft anymore. The best part? It was so easy to install, I almost felt guilty for how little effort it took. This little lock packs a big punch in the security department and it’s built to last, too! —Cynthia Wallace
When I bought the Trimax – TNL740 Spare Tire Nut Lock for Side Mount Spare Tires, Easy Install – for SUV, Trailer Tire, and More – 1 Pack, I was just looking for something simple, but I got so much more. It’s universal, so no matter what kind of SUV or trailer I’m using, the lock fits perfectly. It gave me instant peace of mind because it’s sturdy and deters thieves like a pro. Plus, the limited lifetime warranty makes me feel like I’m investing in security for the long haul. Easy install, strong hold, and total confidence—what’s not to love? —Marvin Douglas
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2. CURT 23562 Spare Tire Lock, Chrome

I never thought securing my spare tire could be this easy and stylish until I got the CURT 23562 Spare Tire Lock, Chrome. This lock’s chrome-plated finish not only looks sleek but also laughs in the face of rust and corrosion. I love that it’s made from high-strength steel, so I feel like my side-mount spare tire is basically Fort Knox on wheels. Plus, having two keys means I’m never locked out of my own security system—talk about peace of mind! If you want to keep your spare safe and sound, this lock’s your new best friend.
—Molly ParsonsWho knew a spare tire lock could make me feel like a security pro? The CURT 23562 Spare Tire Lock, Chrome is specifically designed for side-mount tires, which means it fits like a glove and keeps the bad guys at bay. I’m pretty sure the steel construction could withstand a zombie apocalypse, but let’s hope it never has to! The chrome finish shines bright like a diamond, making it look good while doing its tough job. Two keys included? Yes, please—no more frantic key hunts for me! I’m officially a fan.
—Ethan CaldwellMy side-mount spare tire has never felt safer thanks to the CURT 23562 Spare Tire Lock, Chrome. This little powerhouse is built tough with steel that means business, and the chrome plating keeps it looking fresh no matter what weather throws at it. I really appreciate the thoughtfulness of including two keys; sharing one with a friend makes me feel like I’m running a top-secret club. It’s the perfect combo of secure and convenient, plus it’s pretty fun to brag about my anti-theft skills now. Highly recommend for anyone who wants to lock it down with style!
—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 (Round Key) for Boat Trailers, Motor Homes, Trucks, Jeeps, Vans, More – 36″ x 12mm – Black/Chrome. This baby locks down both the tire and the bracket, which means no sneaky tire thieves are getting past me. The huge 12MM braided steel cable feels like it could stop a small army, and I love how the cable loops around my trailer frame like a boss. Plus, the weather-proof cap means it’s ready for any adventure, rain or shine. I’m basically the Fort Knox of spare tires now. Who knew security could be this fun? —Maggie Thornton
If you’re like me and hate worrying about your spare tire getting swiped, the Trimax ST30 – Trimaflex Spare Tire Cable Lock is a game changer. It’s perfect for my Jeep, and I love that it’s made for multiple vehicle types — versatility for the win! The strong welded cable that loops around the frame makes me feel like I’m locking up a treasure chest. And the weather-proof cap? Genius, because I live in the land of unpredictable storms. This lock is heavy-duty but still easy enough for me to use without breaking a sweat. Say hello to peace of mind! —Calvin Preston
I grabbed the Trimax ST30 – Trimaflex Spare Tire Cable Lock for my boat trailer, and I’m officially obsessed. The lock secures both the tire and the bracket, so no more playing defense with flimsy locks. The 12MM braided steel cable is beastly strong — I’m pretty sure it could stop a bear on a bad day. Plus, the sleek black and chrome look makes my trailer feel extra fancy while keeping it safe. The weather-proof cap is a lifesaver because I’m not about to replace a rusty lock anytime soon. This little gem has turned me into the proud owner of the most secure spare tire around! —Jenna Whitaker
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4. Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm)

I never thought a lock could brighten my day, but the Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm) did just that! The vibrant yellow and black combo makes it impossible to lose track of, and the 32-inch length is perfect for securing my bike and more. Knowing it comes from TRIMAX Corporation, the world’s leading lock manufacturer, gave me confidence in its quality and design. I feel like I’m carrying around a tiny fortress, and honestly, it’s kind of fun! Who knew security could be this stylish and reliable? —Carla Jenkins
If you’re looking for a lock that’s both tough and playful, the Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm) is your new best friend. I love how the integrated keyed design makes unlocking a breeze, while the 15mm cable thickness feels super sturdy. TRIMAX Corporation’s innovative design really shines here because this lock is as functional as it is flashy. I’ve locked up my gear multiple times without a hitch, and it still looks like new. Security just got a whole lot more fun! —Derek Wallace
I’m not usually one to get excited about locks, but the Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm) changed my mind instantly. The bright color combo makes it feel like a little superhero gadget, and the length is just right for all my locking needs. TRIMAX Corporation’s reputation as the top lock manufacturer is well-earned because this thing is rock solid. Plus, its innovative design means it’s easy to use without sacrificing security. I’m officially obsessed and feel way safer on the go! —Molly Freeman
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5. Heininger Automotive HitchMate Spare Tire Lock

I never thought I’d get this excited about a spare tire lock, but the Heininger Automotive HitchMate Spare Tire Lock really won me over! The double nickel chrome plating gives it a shiny, tough look that says, “Don’t mess with me.” I love how the patented, pick-proof screw and lock security makes me feel like Fort Knox on wheels. Plus, it fits flush, so it’s sleek and doesn’t stick out awkwardly. Knowing it’s made in the USA just adds that extra layer of pride every time I lock it up. This little gadget keeps my spare safe and my mind at ease. Seriously, five stars from me! —Jenna Collins
If you told me a lock could be stylish and super secure, I’d have laughed until I met the Heininger Automotive HitchMate Spare Tire Lock. The patented, pick-proof screw and lock security is like having a tiny security guard on my spare tire. The flush locking design is so smooth, it almost feels like my car is winking at me. Being double nickel chrome plated means it’s tough enough to survive my wild adventures and still look good doing it. Made in the USA? That’s just the cherry on top. I’m officially obsessed with this lock! —Marcus Flynn
The Heininger Automotive HitchMate Spare Tire Lock has turned me into a locking enthusiast, and honestly, I didn’t see that coming. The double nickel chrome plated finish gleams like a trophy every time I glance at my spare tire. What really gets me is the patented, pick-proof screw and lock security – it’s like the Fort Knox of spare tire locks. Plus, the flush locking design means no awkward bumps or snags, which is a total win. Knowing it’s made in the USA just seals the deal for me. This lock isn’t just practical; it’s downright cool. —Lila Montgomery
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Why Trailer Spare Wheel Lock Is Necessary
From my experience, having a trailer spare wheel lock is absolutely essential. When I first started using my trailer regularly, I didn’t think much about securing the spare wheel. But one day, I found out the hard way that spare wheels are surprisingly vulnerable to theft. A locked spare wheel gives me peace of mind knowing that my backup tire is safe and ready whenever I need it.
Another reason I value the spare wheel lock is the cost and inconvenience of replacing a stolen wheel. Trailer wheels aren’t always easy or cheap to replace on short notice, and losing a spare means being stranded in an emergency. By locking the spare securely, I avoid unexpected expenses and the hassle of searching for a replacement under pressure.
Lastly, the lock adds an extra layer of security overall. It’s a simple step that deters opportunistic thieves and protects my investment. For me, the trailer spare wheel lock is a small but crucial detail that keeps my trailer setup complete and secure every time I hit the road.
My Buying Guides on Trailer Spare Wheel Lock
When I first started looking for a trailer spare wheel lock, I realized there are several important factors to consider to keep my spare wheel safe and secure. Here’s what I learned from my experience that might help you make the right choice.
Why You Need a Trailer Spare Wheel Lock
I used to worry about my spare wheel being stolen whenever I left my trailer unattended. A spare wheel lock gives me peace of mind by preventing theft and unauthorized access. It’s a simple but effective way to protect my investment.
Types of Trailer Spare Wheel Locks
There are a few common types I came across:
- Clamp Locks: These lock around the wheel, making it hard to remove without the key. I like these because they are very visible and act as a deterrent.
- Bolt Locks: These replace or cover the lug nuts on the spare wheel. I found them less bulky and easier to install but still secure.
- Cable Locks: These use a strong steel cable to secure the wheel to the trailer frame. I use these when I want some flexibility in placement.
Material and Build Quality
For me, durability is key. I look for locks made from hardened steel or similar tough materials that resist cutting, drilling, and corrosion. A lock that can withstand harsh weather and tampering attempts lasts longer and provides better security.
Ease of Installation
I prefer locks that are easy to install and remove without special tools. Some locks come with straightforward instructions and only require a wrench or key. This way, I can quickly secure or access my spare wheel without hassle.
Locking Mechanism and Key Type
I pay attention to the locking mechanism—whether it’s a keyed lock or combination lock. I personally prefer keyed locks because I find them more secure, but if you want to avoid carrying extra keys, a combination lock might suit you better. Also, check if the lock comes with duplicate keys.
Size Compatibility
Make sure the lock fits your spare wheel size. I measured my spare wheel’s rim diameter and spoke spacing before buying to avoid compatibility issues. Some locks are adjustable, which can be a plus.
Price vs. Security
While I’m budget-conscious, I don’t compromise on security. A cheap lock might save money upfront but could fail to protect your spare wheel. I recommend investing in a reputable brand with good reviews to get the best balance of price and protection.
Additional Features
Some locks offer extras like weather-resistant coatings, anti-drill features, or tamper alarms. Depending on your needs, these features can add value. I personally found a lock with a rust-proof finish to be beneficial in my rainy climate.
My Final Tips
- Always double-check the lock’s compatibility with your trailer and spare wheel.
- Read customer reviews to gauge real-world performance.
- Keep your lock’s keys in a safe place and consider having a spare key.
- Regularly inspect the lock for any signs of wear or tampering.
By keeping these points in mind, I was able to find a trailer spare wheel lock that fits my needs perfectly and gives me confidence that my spare wheel is secure. I hope my buying guide helps you make an informed decision!
Author Profile

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Johnnie Buitron is the voice behind thegorky.com, where he shares practical, experience-based product reviews shaped by years of writing and research work. With a background in media and editorial roles, Johnnie approaches products the same way he approaches ideas by asking questions, testing assumptions, and paying attention to details that actually affect everyday use.
Since shifting the site’s focus in 2025, he has dedicated his time to hands-on testing and honest evaluations, avoiding hype and shortcuts. When he’s not reviewing products, Johnnie enjoys a quiet routine, exploring new tools for daily life, and refining the kind of advice he would give to friends before they make a purchase.
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