bing tracking image
  1. Lunette Ring
  2. Shocker Hitch
  3. 3 Inch Lunette Ring
  4. Coupler Only
  5. Bolt-On
  6. 20000 lbs GTW
Shocker Hitch Air Cushioned Lunette Ring - 3" Diameter - Adjustable Channel Mount - 20K

Shocker Hitch Air Cushioned Lunette Ring - 3" Diameter - Adjustable Channel Mount - 20K

Item # SHK23RR
Our Price: $679.99
You Save: $60.00
Lunette Ring
This item qualifies for Free Shipping
Shipping Weight: 59 lbs
In Stock
zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

Need help with installation?
Locate installers near me
The easy-to-adjust air bag and cushioned bumpers on this lunette ring absorb road shock and reduce chucking, helping to protect your trailer from wear and tear. Adjustable channel bracket sold separately. Fastest Shipping and Guaranteed Lowest Prices for Shocker Hitch Air Cushioned Lunette Ring - 3" Diameter - Adjustable Channel Mount - 20K. Read our customer reviews of Shocker Hitch lunette ring. Call 1-636-306-4830 for expert service or order your lunette ring part number SHK23RR by Shocker Hitch online at
  • All Info
  • Q & A (0)
  • Videos (1)
  • Photos
  • Why etrailer?

Shocker Hitch Lunette Ring - SHK23RR

  • 3 Inch Lunette Ring
  • Coupler Only
  • Bolt-On
  • 20000 lbs GTW
  • Standard Coupler
  • Shocker Hitch

The easy-to-adjust air bag and cushioned bumpers on this lunette ring absorb road shock and reduce chucking, helping to protect your trailer from wear and tear. Adjustable channel bracket sold separately.


  • Shock-absorbing lunette ring uses an air bag and rubber bumpers to provide a smooth and comfortable ride
    • Limits chucking and jerking to give you better control of your tow vehicle and trailer
    • Helps extend the life of your truck and trailer by protecting them from unnecessary wear and tear
  • Adjustable air bag lets you easily adapt the lunette ring to suit your trailer's load
    • Ensures just enough shock absorption for your setup and not so much as to cause a stiff ride
  • Adjustable channel mount lets you change lunette ring's height depending on application
    • Channel bracket and mounting hardware sold separately
  • Grease zerk fitting at the pivot point makes lubricating easy
  • Grade 50 steel plates provide maximum durability
    • Shot blasted and powder coated to prevent rust
  • Made in the USA


  • Application: 3" wide channel bracket with 2" on center bolt pattern
  • Gross towing weight: 20,000 lbs
  • Maximum tongue weight: 2,000 lbs
  • Lunette ring size:
    • Inside diameter: 3"
    • Outside diameter: 6"
  • Vertical adjustment hole diameter: 5/8"
  • 1-Year warranty

A Solution for Rough Rides

Have you ever hit a bump while towing and had that road shock jostle and shake you all the way down to your bones? It's a common feeling. Most lunette rings are made completely of metal, so there's nothing to help soften the shock when you hit a bump. This results in a bumpy, jerky ride that not only takes a toll on you as you drive, but it beats up your equipment too, leading to premature wear and tear on both your truck and trailer.

Fortunately, the Shocker Hitch lunette ring will change all of that.

Air Bag and Bumper Stop Shock Absorption Technology

Shocker Hitch Gooseneck Coupler

Using a built-in air bag and rubber cushions, the Shocker Hitch acts like a small suspension system between your truck and trailer. The air bag and bumpers help absorb road shock, creating a smoother, more comfortable ride while also protecting your truck and trailer from unnecessary wear and tear on the brakes, chassis, trailer frame, and suspensions.

Shocker Hitch Gooseneck Air Bag

The body of the Shocker Hitch Air lunette ring is designed to pivot back and forth on the pivot bolt, as the air bag and the cushioned bumpers take turns absorbing the road shock. When you hit a bump and your trailer bounces, the unit pivots so that the air bag can isolate and absorb the energy. When your trailer jerks forward or backward, the 2 cushioned bumper stops help soften the force.

Customize Amount of Shock Absorption

Shocker Hitch Gooseneck Coupler

Using the easily accessible air valve on the top of the unit, you can adjust the air pressure in the this Shocker Hitch lunette ring's air bag to best accommodate your trailer's load. If you're hauling heavy-duty landscaping equipment, for example, you can add air to account for the increased capacity. Once the equipment is unloaded, simply release some air so that your underloaded trailer won't experience a stiff ride.

SH-400-P Shocker Air Pintle Ring for Adjustable Channel - 20,000 lbs

Video of Shocker Hitch Air Cushioned Lunette Ring - 3" Diameter - Adjustable Channel Mount - 20K

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Review of Shocker Hitch Straight Tongue Trailer Coupler - Standard Coupler - SHK23RR

Hello everybody, this is Jeff at Today, we're gonna take a look at this Shocker Air Lunette Ring Trailer Tongue Mount with the vertical channel mount, has a 20,000 pound gross towing weight capacity. Now, this is a shock absorbing trailer lunette ring, features the industrial strength air bag and the cushion bump stops on each side here to help dampen chucking and road shock. The Shocker Air system is a miniature air suspension unit that'll mount between your truck and your trailer, and it add life to your truck and your trailer by reducing the wear and tear on the truck' drive line and frame as well as the frame of the trailer, so allows you to treat yourself, your equipment, and even your passengers to a much smoother ride. This does bolt to a trailer vertical channel mount on the front of your trailer, A-frame style trailer, often used on equipment and end dump trailers. It is designed to fit a three inch wide inside diameter channel with the two inch on center bolt pattern.

And I just wanna a measure that to show you what we're talking about. Here's your three inch wide, so it fits into a vertical mount channel that's three inches inside diameter, and then the measurement from the center of each adjustment hole is gonna be right at two inches. And it will secure to that vertical mount with either 5/8 inch diameter pins and clips, or 5/8 inch by 4 1/2 inch long bolts. Now basically, this air hitch will work like a seesaw with this air bag on one end and on your trailer coupler on the other end. Basically, what happens is as your trailer exerts force, upward, downward, backward, or forward, the unit pivots, and this air bag and the bump stops on each side right here will absorb the energy for a lot smoother ride.

This is made with a Grade 50 steel plate construction and it is shot blasted and powder coated to prevent rust. Now, the air bag on this, it is an easily adjustable air bag. Basically, all you'd have to do is right up here is your valve stem, you just take off your cap, attach your air hose to that, pump in air if you need it, take out air if you need to take it out, and basically the best way to decide how much air you want in that bag is you wanna load your trailer the way it's gonna be when you tow it, and then hook your air hose up, inflate the air bag till these bump stops right here start to compress. Once they start to compress, you hit the right air pressure, remove your air hose, put your cap back on, and your air bags all set to go. Also, if you noticed, the pivot bolt right here and on the other side, on the end, it has a nice grease zerk fitting at the pivot point, this makes your maintenance really simple, you just attach your grease gun to that zerk fitting, pump in the grease, and it'll let you maintain and grease the pivot point.

This part is made in the USA. Few specs on this, the gross towing weight capacity is 20,000 pounds, tongue weight capacity of 2,000 pounds. And the last thing I wanna do is just give you the measurement of the lunette ring. The overall diameter, from this end to this end, if we put a ruler on that, you can see it's gonna be right at six inches, and then the inside diameter of the ring is gonna be right at three inches. But that should do it for the review on the Shocker Air Lunette Ring Trailer Tongue Mount with the vertical channel mount and a 20,000 pound gross towing weight capacity..


See what our Experts say about this Shocker Hitch Lunette Ring

  • Why

    At we guarantee:
  • Real product know-how.

    We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.
  • Most detailed, accurate lunette ring information available.

    Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.
  • Installations, made easy.

    We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.
  • Fast shipping.

    Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.
  • Personalized service for life.

    We provide one-on-one, personalized service from the ordering process through the life of your product.
  • Trusted since 1946.

    We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.
  • Returns Policy

    Need to return an item? No problem. Please read our Returns Policy for more information.

Info for this part was:

Employee Jeff D
Installed by:
Jeff D
Employee Mike S
Written by:
Mike S
Employee Justice A
Updated by:
Justice A

At we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.