Trimax RL250 Receiver Lock

The Trimax receiver lock is a solid, no-nonsense security upgrade for any RV or trailer owner looking to deter hitch theft.

4.5

HitchHaven score4.5 out of 5 · our editorial rating

Hardened steel barbell-style lock pin
Fits 1/2" and 5/8" receiver holes
Weather-resistant zinc-plated finish
Patented locking mechanism with dust cover
Includes two laser-cut keys
Universal fit for 2" and 2.5" receivers

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Overview Specs Pros & cons Full review Related

The verdict

The Trimax receiver lock is a solid, no-nonsense security upgrade for any RV or trailer owner looking to deter hitch theft. Its hardened construction and weatherproof design make it a dependable choice for long-term outdoor use, though a bit of lock lubricant in winter keeps it operating smoothly.

Spec plate

Material: Hardened steel with zinc plating
Compatible Receiver Sizes: 2" and 2.5"
Pin Diameter: 5/8" and 1/2" options
Keys Included: 2 laser-cut keys
Weight: 1.8 lbs

Pros & cons

What we like

Extremely difficult to cut or drill
Simple one-handed insertion and removal
Keeps weather and debris out of receiver tube
Compact size doesn't interfere with towing accessories
Backed by Trimax's reputation for tough security hardware

What to watch

Keyway can stick in cold weather without lubrication
Slightly heavier than basic receiver pins
No keyed-alike option for multiple units out of the box
Finish may show surface rust after prolonged exposure

Full review

The Trimax receiver lock is a rugged security accessory engineered specifically for RV owners, camper enthusiasts, and tow-behind trailer users who want to protect their hitch-mounted equipment from theft. Designed to slide directly into the receiver tube of a trailer hitch, this lock prevents unauthorized individuals from attaching a ball mount, cargo carrier, bike rack, or any other accessory to your vehicle without your permission. Constructed from hardened steel, the Trimax receiver lock is built to resist cutting, drilling, and prying attempts, making it a dependable first line of defense for anyone who parks their RV or tows a camper in public lots, storage facilities, or campgrounds where theft risk is a real concern.

What sets the Trimax receiver lock apart in the RV and camper accessories space is its thoughtful design for ease of use combined with uncompromising strength. The lock typically features a barrel-style locking mechanism paired with a weather-resistant cap that shields the keyway from rain, dust, and road grime, ensuring reliable operation even after months of exposure to the elements during long camping seasons. Many versions include a set of precision-cut keys and a pick-resistant cylinder, giving owners confidence that their hitch is secure whether the RV is parked at home, at a trailhead, or left unattended at an RV park overnight. The compact form factor means it won't interfere with towing capacity or hitch functionality, sliding in and out smoothly while still locking firmly in place when engaged.

For RV and camper owners, the Trimax receiver lock represents a small investment with significant peace-of-mind returns, especially given how often trailers and tow equipment are targeted by opportunistic thieves. It integrates seamlessly into a broader security routine that might include wheel locks, hitch locks, and coupler locks, forming a layered defense system for an RV or camper setup. Because towing equipment is often the weakest link in overall rig security, locking the receiver itself closes a critical gap that many owners overlook. Durable, straightforward to install, and purpose-built for the demands of the RV lifestyle, the Trimax receiver lock continues to be a trusted choice among those who prioritize protecting their investment on the road and at rest.

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