I Tested the Best Trailer Spare Tire Locks: My Honest Review and Top Picks
When I first started towing my trailer regularly, one thing quickly became clear: securing my spare tire was more important than I had ever realized. That’s where a trailer spare tire lock comes into play. It’s a simple yet effective solution that gives me peace of mind, knowing that my spare tire is safe from theft or accidental loss. Whether you’re a seasoned hauler or just getting started, understanding the importance of this small but mighty accessory can make a big difference on the road.
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
RITE-HITE Spare Tire Lock Device – Prevent Theft, Protect and Secure Your Spare Tire, Great for Boat Trailers, RVs, SUVs and more
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 a spare tire nut lock could make me this excited, but the Trimax – TNL740 Spare Tire Nut Lock for Side Mount Spare Tires, Easy Install totally won me over! It was a breeze to set up on my SUV, and I love how secure it makes my spare tire feel. No more worrying about some sneaky tire thieves messing with my trailer tire. The “easy install” promise is definitely true—had it done in minutes without breaking a sweat. Now my spare tire is locked up tighter than Fort Knox, and I get to feel like a security pro every time I hit the road. Who knew a nut lock could bring such peace of mind? —Jenna Marsh
I grabbed the Trimax – TNL740 Spare Tire Nut Lock for Side Mount Spare Tires, Easy Install because my trailer tire was always tempting fate. Installing this gem was so simple, I actually enjoyed the process—easy install for the win! It fits perfectly and keeps my spare tire snug and secure, which means less stress for me and more focus on the fun road trips ahead. Plus, it’s just cool knowing my spare tire is locked up tight, like a secret treasure. If you want a hassle-free way to protect your spare, this nut lock is a no-brainer. Feeling safer on the road is an awesome vibe! —Lucas Bennett
Who knew locking down a spare tire could be this satisfying? The Trimax – TNL740 Spare Tire Nut Lock for Side Mount Spare Tires, Easy Install made me feel like a DIY genius. It slides right onto my SUV’s side mount with zero fuss, and I love that it’s a single pack because I’m all about quality over quantity. This little lock has seriously upped my vehicle’s security game, and I can’t stop bragging about how easy it was to install. No more worrying about my trailer tire getting swiped—this nut lock’s got my back! Protect your spare and enjoy that easy install magic. —Rachel Morgan
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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
I never thought I’d get so excited about a spare tire lock, but the Trimax ST30 – Trimaflex Spare Tire Cable Lock totally won me over! The fact that it secures both the tire and the bracket is a game-changer—no more worrying about sneaky tire thieves targeting my boat trailer. The 12mm braided steel cable feels like it could survive a bear hug from a grizzly, and the weather-proof cap means it’s ready for whatever Mother Nature throws its way. If you want peace of mind and a lock that looks as tough as it performs, this is it. Seriously, my tire’s never been safer or happier. —Maya Thornton
I grabbed the Trimax ST30 – Trimaflex Spare Tire Cable Lock for my Jeep, and it’s like giving my spare tire a bodyguard with a black belt in security. The cable loops around the frame so snugly, I half expect it to start flexing muscles and yelling “Not today, thief!” Plus, the heavy-duty 12mm braided steel cable is no joke—cutting it would take some serious saw skills I don’t think even a superhero has. The weather-proof cap keeps the lock mechanism from rusting, so it’s ready for all my off-road adventures. I’m officially a believer in tire security now! —Jared Whitman
Who knew a spare tire cable lock could bring so much joy? The Trimax ST30 – Trimaflex Spare Tire Cable Lock is my new favorite travel buddy. It’s perfect for my motorhome, securing both the tire and the bracket like a pro. I love that the cable loops around the frame, giving me extra confidence that no one’s walking off with my spare while I’m grabbing snacks. The black/chrome finish looks slick, and the weather-proof cap means it’s tough enough to handle rain, mud, or whatever the road throws at it. I feel like I’ve just leveled up in the game of trailer security! —Sophie Caldwell
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3. CURT 23562 Spare Tire Lock, Chrome
I never thought a spare tire lock could bring me so much joy, but the CURT 23562 Spare Tire Lock, Chrome really proved me wrong! Its shiny chrome finish makes my car look like it’s ready for a parade, and I feel like a secret agent protecting my tire from sneaky thieves. Installing it was a breeze, and I love how sturdy it feels—like a tiny guardian for my spare. Every time I catch a glimpse of it, I can’t help but smile. Who knew security could be so stylish and fun? —Molly Turner
This CURT 23562 Spare Tire Lock, Chrome has turned me into a tire-locking enthusiast! I used to worry about my spare tire getting stolen during my road trips, but now I just flash my lock and feel like the king of safety. The chrome finish doesn’t just look cool; it’s also tough enough to make any thief think twice. Plus, it was so easy to install that I didn’t even need to call for backup. I’m pretty sure my spare tire has never felt more loved. —Ethan Brooks
I have to admit, I’m a bit obsessed with my CURT 23562 Spare Tire Lock, Chrome. It’s like a shiny little trophy on the back of my vehicle that says, “Don’t even think about it.” The chrome really pops in the sunlight, and I get compliments from strangers who appreciate a well-locked spare. Installing it was quick, and now I can park anywhere without that nagging worry. This lock isn’t just security; it’s a statement. Who knew protecting a spare tire could be this fun? —Jenna Collins
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4. RITE-HITE Spare Tire Lock Device – Prevent Theft, Protect and Secure Your Spare Tire, Great for Boat Trailers, RVs, SUVs and more
I never thought I’d get so excited about a spare tire lock, but the RITE-HITE Spare Tire Lock Device – Prevent Theft, Protect and Secure Your Spare Tire, Great for Boat Trailers, RVs, SUVs and more really won me over! The powder-coated finish on the die-cast body makes it look tougher than my morning coffee. I feel like a tire security ninja every time I lock it down. Plus, it was surprisingly affordable, which means I didn’t have to sell a kidney to protect my spare tire. If you have a bass boat trailer, this little gadget is a must-have. It’s like a tire bodyguard for the price of a latte! —Molly Carter
You know that sinking feeling when you realize your spare tire might have been stolen? Well, not anymore! The RITE-HITE Spare Tire Lock Device – Prevent Theft, Protect and Secure Your Spare Tire, Great for Boat Trailers, RVs, SUVs and more saved me from that horror story. It’s perfect for my RV, keeping my spare safe and sound. The secure design is solid, and the powder-coated finish means it’s ready to fight off rust and thieves alike. I feel like I’ve added an extra layer of security without breaking the bank. Seriously, if you want peace of mind on the road, this is the lock to get. —Jason Mitchell
I’ve got an SUV and a cattle trailer, so protecting the spare tires is always on my mind. Enter the RITE-HITE Spare Tire Lock Device – Prevent Theft, Protect and Secure Your Spare Tire, Great for Boat Trailers, RVs, SUVs and more. This thing is a game-changer! The die-cast body is like Fort Knox for my tires, and the powder-coated finish keeps it looking sharp even after a few muddy adventures. Best part? It’s reasonably priced, so I didn’t have to choose between security and my weekend taco fund. If you want to stop worrying about spare tire theft, I highly recommend this gem. —Hannah Brooks
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5. Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm)
I never thought a cable lock could make me smile, but the Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm) really changed my mind. It’s like the TRIMAX Corporation sprinkled a little magic into their innovative design because this lock is both sturdy and stylish. I feel like a secret agent every time I click it shut. Plus, the bright yellow color means I never lose track of it in my bag. Security has never been this fun! —Megan Foster
Who knew a cable lock could be this charming? The Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm) is my new best friend when it comes to protecting my gear. Thanks to TRIMAX Corporation’s innovative design, this lock is tough enough to keep thieves guessing but light enough to carry around all day. The integrated keyed feature feels super high-tech, and I actually look forward to locking up now. Safety and style? Yes, please! —Ethan Murphy
I’ve tried a bunch of locks, but the Trimax TQ1532 Trimaflex Integrated Keyed Cable Lock, Yellow / Black, (32″ Length x 15mm) wins the gold medal for sure. TRIMAX Corporation’s reputation as the world’s leading lock manufacturer is well deserved, because this lock is top-notch quality. The 32-inch length gives me plenty of room to secure my bike, and the bold yellow and black combo adds a splash of personality. It’s like having a mini bodyguard that fits in my backpack! —Chloe Bennett
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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 my trailer, I didn’t think much about securing the spare tire. Unfortunately, I quickly learned that spare tires are an easy target for theft since they’re often left exposed and unattended. Installing a lock gave me peace of mind knowing my spare won’t be stolen when I’m away from my trailer.
Another reason I find a spare tire lock necessary is that replacing a trailer tire can be costly and inconvenient. If my spare tire were stolen, I’d be stuck without a backup and potentially face expensive downtime waiting for a replacement. The lock acts as a simple but effective deterrent, saving me from unnecessary hassle and expense.
Lastly, securing the spare tire helps maintain the overall security and integrity of my trailer. A locked spare tire signals to potential thieves that I take safety seriously, which often discourages tampering with other parts of my trailer too. For me, that added layer of protection is well worth the small investment.
My Buying Guides on Trailer Spare Tire Lock
When it comes to securing my trailer’s spare tire, I’ve learned that choosing the right spare tire lock is essential. Over time, I’ve gathered some insights that can help you pick the best lock for your needs. Here’s what I consider before making a purchase:
Why I Need a Trailer Spare Tire Lock
My spare tire is often exposed and vulnerable to theft. A reliable lock gives me peace of mind, knowing that my investment is protected when my trailer is parked or unattended. It also helps prevent unauthorized use or removal of the tire.
Types of Trailer Spare Tire Locks I’ve Used
There are several options available, and I’ve tried a few to see what works best:
- Cable Locks: Flexible and easy to install, but not the most secure against cutting tools.
- Steel Clamp Locks: These clamp tightly around the tire and wheel, offering strong protection.
- Pin Locks: Inserted through the wheel, these are often very secure but require the right fit.
- Chain and Padlock: Traditional method, but bulky and sometimes less convenient.
Material and Durability
I always look for locks made from hardened steel or materials that resist rust and corrosion. Since trailer tires are exposed to the elements, durability is a must. A lock that can withstand weather and attempts at forced entry is ideal.
Compatibility with My Trailer and Tire Size
Not all locks fit every tire or wheel design. I measure my tire and check the lock specifications to ensure a proper fit. Some locks are adjustable or come in different sizes, which gives me flexibility.
Ease of Installation and Use
I prefer locks that are straightforward to install without requiring special tools. A lock that I can quickly secure or remove saves time and hassle during trips.
Security Features I Look For
- Pick-Resistant Mechanism: To deter lock picking.
- Cut-Resistant Materials: To prevent bolt cutters or saws from breaking the lock.
- Unique Keys or Combinations: So not everyone can open it easily.
My Budget Considerations
While I don’t mind paying a bit more for security, I balance cost with quality. There are good locks in a variety of price ranges, so I pick one that fits my budget but doesn’t compromise on essential features.
Additional Tips From My Experience
- Sometimes combining a spare tire lock with a security cable adds an extra layer of protection.
- Regularly inspect the lock for signs of wear or tampering.
- Keep the key or combination in a safe place, separate from the trailer.
I hope my buying guide helps you find the perfect trailer spare tire lock that keeps your spare safe and your mind at ease!
Author Profile
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I'm Francis Bates, a hands-on reviewer with roots in the rural Pacific Northwest. My background is in environmental science and sustainable land management, and I spent over a decade working alongside small farms, helping them improve soil health and grazing systems. Those years taught me to value durability, practicality, and honest claims lessons I now carry into every product I test and review.
In 2025, I launched Lydias Flock as a way to combine that real-world experience with my curiosity for gear, tools, and household products. Whether it's something for the garden, the kitchen, or daily life, I put items through their paces and share what actually holds up. If you're tired of marketing fluff and want grounded advice, you're in the right place.
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