Leveling, Chocks & Stabilizing
The Best X-Chocks For A Travel Trailer
These stop the rocking, not the rolling. If your trailer has one axle, this page is not for you — and that is worth knowing before you order.
By Mike M. ·
How this page is funded: we earn a commission if you buy through our links, at no extra cost to you. It never changes which product we rank first. Prices come from Amazon and are read automatically — each one shows the date it was read. Full disclosure.
Quick picks
The tandem-tire stabilizer, plus the conventional chocks it does not replace.
| # | Product | Best for | Score | Price |
|---|---|---|---|---|
| 1 |  X-Chock Wheel Stabilizer, Pair, 28012 Wedges between the two tires of a tandem axle and screws out against both. It is doing a different job from a chock — it stops the trailer rocking rather than stopping it rolling. Top pick | Stopping the rocking motion on a tandem-axle trailer | 6.8/ 10 | |
| 2 |  MaxxHaul Solid Rubber Wheel Chock, 2-Pack, 70472 Solid rubber rather than hollow plastic, with non-slip pads. On a slope or a polished garage floor this is the one that stays put, which is the only specification that matters. You still need these | Chocking on a slope or on smooth concrete | 8.3/ 10 | |
| 3 |  Camco RV Wheel Chocks with Rope, 2-Pack Two plastic chocks with a pull rope so you can retrieve them without lying on the ground. Unremarkable, correct, and the first thing to buy. | The basic chock every trailer needs before anything else | 7.9/ 10 | |
| 4 |  RV Slide-Out Support Jacks, Set of 4 Adjustable screw jacks for under a slide-out. They do not level anything; they stop a long slide bouncing, which is a different and much narrower job. | Supporting a long slide-out on a soft site | 5.5/ 10 |
Tap any row to jump to the full write-up. Prices come from Amazon and are read automatically — see each product below for the date.
The short answer
The name is unhelpful. “X-chock” suggests a chock, and it is doing a quite different job. Understanding which job saves people both a wasted purchase and a false sense of security.
What it actually does
A tandem-axle trailer sits on leaf springs with the two axles connected through an equalizer. That arrangement has a certain amount of compliance, and when you walk around inside the trailer the whole body rocks fore and aft on the suspension. It feels flimsy and it is one of the most common complaints new owners have.
The stabilizer wedges into the gap between the two tires and screws outward until it is tight against both treads. That ties the two axles together through the tires, which dramatically reduces how much the suspension can articulate — and the rocking largely stops.
It works. Owners consistently report it as one of the more noticeable comfort upgrades for the money. It just has nothing to do with chocking.
What it does not do
It does not stop the trailer rolling. It is pressing outward against the tread faces, not wedging against the ground, and on a slope the whole assembly can move with the tires. Manufacturers are clear that it is a stabilizer.
So: conventional chocks for safety, stabilizer for comfort, both at once. The comparison in full.
The common mistake
Fit: measure the gap
These have a working range, and two situations fall outside it.
Tires too close together. Some trailers have a narrow gap between the tandem tires, and a stabilizer that will not open far enough to engage properly is useless. Measure the gap at tread level before buying.
Tires too far apart. Less common, but a long-wheelbase tandem can exceed the stabilizer’s reach.
Single axle. No gap, no product. If your trailer has one axle per side, skip this entirely and spend the money on better jack pads and a scissor-jack stabilizer instead.
If the rocking is not from the suspension
Two other sources of movement get blamed on the suspension:
Scissor jacks not properly down. They should be firm against the ground, on pads, with the trailer’s weight still on the wheels. If they are not carrying any load, they are not stabilizing anything.
A long slide-out. A big slide can bounce independently. Some owners support them — but check your manual first, because several slide-out makers explicitly advise against supporting the slide, and following a forum over your manual here can damage the mechanism.
The verdict
If your trailer is tandem-axle and it rocks when you walk around, a wheel stabilizer is worth the money — the single-handle version is the one to buy because you operate both sides with one tool. If your trailer is single-axle, buy nothing here and improve your jack pads instead. Either way, you still need conventional chocks.
The picks in full
X-Chock Wheel Stabilizer, Pair, 28012
BAL · Best for stopping the rocking motion on a tandem-axle trailer
Wedges between the two tires of a tandem axle and screws out against both. It is doing a different job from a chock — it stops the trailer rocking rather than stopping it rolling.
Key specifications
- Pack
- Pair, one handle
- Use
- Tandem-axle trailers only
- Action
- Scissor wedge, ratchet-tightened
- Function
- Stabilizing, not primary chocking
How it scored
- Holding force (35%)6
- Fit range (25%)6
- Everyday usability (20%)8
- Build quality (10%)9
- Price for capability (10%)7
Weighted average of the figures above. We did not test this product — see how we pick.
What it does well
- Visibly reduces the side-to-side rock that makes a trailer feel flimsy
- Ratchets tight so it does not work loose
- One handle does both chocks
What it is bad at
- Useless on a single-axle trailer — there is no gap to fill
- Not a substitute for a real chock on a slope
- Fiddly to fit if your tires sit close together
Price as of October 5, 2026. #ad How this is funded
MaxxHaul Solid Rubber Wheel Chock, 2-Pack, 70472
MaxxHaul · Best for chocking on a slope or on smooth concrete
Solid rubber rather than hollow plastic, with non-slip pads. On a slope or a polished garage floor this is the one that stays put, which is the only specification that matters.
Key specifications
- Size
- 8 in x 4 in x 6 in
- Material
- Solid rubber
- Feature
- Non-slip traction pads, built-in handle
- Pack
- 2 chocks
How it scored
- Holding force (35%)9
- Fit range (25%)7
- Everyday usability (20%)8
- Build quality (10%)9
- Price for capability (10%)9
Weighted average of the figures above. We did not test this product — see how we pick.
What it does well
- Rubber grips where plastic skates
- Solid, so it will not crush
- Handle makes placement easy
What it is bad at
- Heavy for its size
- Rubber picks up grit and marks hands and floors
- Only 6 in tall — not enough for a very large tire on a steep grade
Price as of October 5, 2026. #ad How this is funded
Camco RV Wheel Chocks with Rope, 2-Pack
Camco · Best for the basic chock every trailer needs before anything else
Two plastic chocks with a pull rope so you can retrieve them without lying on the ground. Unremarkable, correct, and the first thing to buy.
Key specifications
- Pack
- 2 chocks
- Feature
- Pull rope
- Material
- Molded plastic
- Origin
- Made in USA
Capacity figures read from Camco wheel chock specifications, October 2026.
How it scored
- Holding force (35%)7
- Fit range (25%)8
- Everyday usability (20%)9
- Build quality (10%)6
- Price for capability (10%)10
Weighted average of the figures above. We did not test this product — see how we pick.
What it does well
- The rope saves you crawling under the trailer
- Light and stackable
- Cheap enough to buy four
What it is bad at
- Plastic slides on wet smooth concrete
- Sized for standard trailer tires, not oversized ones
- Two is the bare minimum; most trailers want four
Price as of October 5, 2026. #ad How this is funded
RV Slide-Out Support Jacks, Set of 4
Garvee · Best for supporting a long slide-out on a soft site
Adjustable screw jacks for under a slide-out. They do not level anything; they stop a long slide bouncing, which is a different and much narrower job.
Key specifications
- Pack
- Set of 4
- Rating
- 20,000 lb stated
- Range
- 21 in to 49 in
- Operation
- Power drill or hand crank
How it scored
- Lift range (25%)6
- Grip / stability (25%)6
- Packed size (20%)3
- Build quality (20%)6
- Price for capability (10%)7
Weighted average of the figures above. We did not test this product — see how we pick.
What it does well
- Big adjustment range covers most slide heights
- Drill-driven, so setting four of them is quick
- Noticeably firms up a long slide
What it is bad at
- Many slide-out makers advise against supporting the slide at all — check your manual first
- No independent verification of the stated load rating
- Heavy and bulky to carry
Price as of October 5, 2026. #ad How this is funded
Common questions
No — the design wedges into the gap between tandem tires, and a single axle has no gap. Spend the money on jack pads and correctly set scissor jacks instead.
No. It resists rocking on the suspension; it is not designed or rated to stop the trailer rolling. Chocks for safety, stabilizer as well.
Firm against both treads with the supplied ratchet, without forcing. Over-tightening distorts the stabilizer and stresses the sidewalls. You should not be able to move it by hand.
Sources
- Camco published leveling block and chock specifications — read October 2026
- Andersen Hitches Camper Leveler published specifications — read October 2026
- RV Industry Association — standards and compliance program — read October 2026