Wheel chocks and stabilizers
BAL X-Chock wheel stabilizer review
A wheel chock stops a trailer from rolling. It does nothing for the smaller, more constant motion that shows up the moment somebody opens a cabinet or walks across the floor: the fore-and-aft rock of a tandem axle trailer settling into its own tires. A gap of an inch or two on either side of a tire is all that rocking needs.
The BAL X-Chock closes that gap by expanding between the two tires of a tandem axle rather than sitting against the outside of one. This review covers what BAL actually publishes for it, the one configuration it was never built for, and the plain rubber chocks that cover that configuration instead.
On this page
- What is the BAL X-Chock, and what does BAL actually publish for it?
- How does the X-Chock compare against plain rubber and plastic wheel chocks?
- What does BAL actually publish for the X-Chock?
- What is the limitation of the BAL X-Chock?
- What are the alternatives if the trailer is single axle?
- What should you check before buying a wheel stabilizer?
What is the BAL X-Chock, and what does BAL actually publish for it?
The X-Chock is a scissor-style steel frame that expands between the two tires of a tandem axle, then locks under tension so the tires push against it instead of rocking against each other. BAL states it adjusts from 1-3/8 inch to 10 inches to fit even narrow gaps between tandem tires, ships as a pair with a 3/4 inch ratchet wrench, and is built in the United States from zinc-coated steel. The locking design accepts an optional padlock, and BAL backs the pair with a limited lifetime warranty.
How does the X-Chock compare against plain rubber and plastic wheel chocks?
All four of these sit at the tire. What actually separates them is the mechanism: three are plain chocks that block a tire from rolling, and one wedges between two tires and does something a plain chock cannot.
| Published rating | BAL X-Chock Tire Locking Chock, pair | Camco RV Wheel Chocks with Rope, 2 pack | MaxxHaul Solid Rubber Wheel Chock, 2 pack | Rhino USA Heavy Duty Rubber Wheel Chocks |
|---|---|---|---|---|
| Price | $74.51 | $17.18 | $15.99 | $54.90 |
Every figure here is the manufacturer's own published rating. A blank is a figure the maker does not publish, and we leave it blank rather than estimating it. The rating stamped on the part you actually receive is what governs.
What does BAL actually publish for the X-Chock?
BAL adjusts the X-Chock from 1-3/8 inch to 10 inches to fit between the two tires of a tandem or triple axle.
Published standard A published, traceable figure: a standards body, a federal regulation or a manufacturer specification states it.
| Published spec | BAL X-Chock |
|---|---|
| Adjustment range | 1-3/8 in to 10 in |
| Construction | Zinc-coated steel |
| Included tools | 3/4 in ratchet wrench |
| Lock compatibility | Accepts optional 28015 padlock |
| Axle configuration required | Tandem or triple axle |
| Warranty | Limited lifetime |
BAL does not publish this as a chock rated to stop a trailer from rolling; it is a stabilizer for tires already chocked.
What is the limitation of the BAL X-Chock?
The X-Chock only works where a second tire exists to wedge against. On a single axle trailer there is no second tire on that side of the trailer, and BAL's own adjustment range assumes two tires sitting close enough together to expand between. Buying a pair for a single axle trailer is buying the wrong product, not a smaller version of the right one.
The second limitation matters just as much: this is a comfort item, not a safety item. It removes the fore-and-aft rock that makes a parked trailer feel like it is moving, but it does not stop the trailer from rolling downhill or away from a person unhitching it. A wheel chock placed against the tire tread is still the part doing that job, with or without an X-Chock installed alongside it.
What are the alternatives if the trailer is single axle?
A single axle travel trailer or utility trailer should skip the X-Chock and buy a plain wheel chock instead. The Camco RV wheel chocks are the least expensive option here, made in the United States with a pull rope for retrieval without crawling under the trailer. The MaxxHaul solid rubber chock trades that low price for solid rubber that grips a wet or gravel site where plastic tends to slide. The Rhino USA rubber chocks add reflective striping and a heavier build for a fifth wheel parked on an unpaved site for an extended stay. None of the three wedges between two tires the way the X-Chock does, because none of them are meant to: they stop a tire from rolling, which is a different job on a single axle trailer than removing tandem rock.
What should you check before buying a wheel stabilizer?
Count the axles before ordering, since the X-Chock earns its price only on a tandem or triple axle trailer. Compare single axle against tandem axle trailers if that is still an open question, and check the trailer axle capacity chart to confirm which configuration a specific trailer actually has. Add the stabilizer to a real setup routine with the pre-trip towing inspection guide, and see the best wheel chocks for travel trailers for how chocking and stabilizing fit together at a campsite.
How we chose
We did not test this hardware in person and we never claim to. Picks are researched from manufacturer specification sheets, published towing standards, and the recurring themes in verified owner reviews. Every pick is matched to a real gross trailer weight rating, a real tongue or pin weight rating, a real receiver size or a real load index rather than to a price bracket, and it is placed in the tier where its published capability actually belongs. We rejected the unbranded flood that dominates the search results in several of these categories, because a weight distribution hitch, a brake controller, a trailer tire and a set of safety chains are all parts whose failure puts a loose trailer on a public road. Where a figure is towing convention rather than a published standard we label it that way, and where a manufacturer does not publish a figure we leave it out instead of estimating it.
Sources
- BAL published specifications for the X-Chock 28012
- Camco published specifications for the 44472 wheel chocks
- MaxxHaul published specifications for the 70074 rubber wheel chock
- Rhino USA published specifications for the heavy duty rubber wheel chocks
Frequently asked questions
Does the BAL X-Chock work on a single axle trailer?
No. The X-Chock expands between the two tires of a tandem or triple axle and locks them against each other, so it needs a second tire on the same side to wedge against. A single axle trailer has no second tire there, and a plain wheel chock such as the Camco RV chocks is the correct product instead.
What does the BAL X-Chock do that a normal wheel chock does not?
A wheel chock sits against one tire and stops it from rolling. The X-Chock expands between two tires on a tandem axle and locks them against each other, removing the small fore-and-aft rock that makes a parked trailer feel like it is moving when somebody walks inside, which a chock alone does not address.
Does the BAL X-Chock replace the chocks that stop a trailer from rolling?
No. It is a comfort upgrade that reduces rocking motion, not a safety device that prevents the trailer from moving. Wheel chocks placed against the tire tread should still be used before unhitching, with or without an X-Chock installed alongside them.
What is the adjustment range of the BAL X-Chock?
BAL publishes an adjustment range of 1-3/8 inch to 10 inches, built to fit even narrow gaps between tandem tires. It ships as a pair with a 3/4 inch ratchet wrench used to tighten it into place between the two tires.
Can the BAL X-Chock be locked?
Yes. BAL builds the X-Chock to accept an optional padlock, the 28015, sold separately, so a locked pair cannot be pulled loose by hand once the trailer is set up at a site. The pair also carries a limited lifetime warranty and is made in the United States from zinc-coated steel.
What should a single axle trailer owner buy instead of the X-Chock?
A plain wheel chock, since a single axle trailer has no second tire for the X-Chock to wedge against. The Camco RV wheel chocks, the MaxxHaul solid rubber chock and the Rhino USA rubber chocks all stop a single tire from rolling at a lower price than the X-Chock.
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Researched, not professional advice. This page is compiled from published standards, manufacturer towing guides and product specifications, and owner-review consensus, not hands-on testing. Figures described as a rule of thumb are towing convention rather than published standards, and they are labelled that way wherever they appear. Nothing here overrides your own ratings. Work your payload sum before your tow rating, because payload is the limit that actually binds on most half ton trucks and nearly every SUV. Load a conventional trailer to 10 to 15 percent tongue weight and a fifth wheel to 15 to 25 percent pin weight, and never lighter: a tail heavy trailer is what starts sway. Weigh the rig loaded rather than trusting a brochure dry weight. A weight distribution hitch and a set of air bags both restore ride height and control, and neither one raises a single rating. Trailer brakes are required by state law above a threshold that varies by state, and a breakaway battery that has quietly gone flat is the normal condition of most trailers on the road.