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Roadmaster Comfort Ride Add-On Kit for Triple Axle Trailers - 3,500-lb Axles

Roadmaster Comfort Ride Add-On Kit for Triple Axle Trailers - 3,500-lb Axles

Item # RM-2450-50
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Our Price: $264.00
Trailer Leaf Spring Suspension
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Shipping Weight: 28 lbs
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Add these 2 heavy-duty shock absorbers to your Roadmaster Comfort Ride kit for tandem-axle trailers (RM-2450) to upgrade the suspension on your triple-axle trailer. Mounting brackets and hardware are included. Fits 2-3/8" axles. Lowest Prices for the best trailer leaf spring suspension from Roadmaster. Roadmaster Comfort Ride Add-On Kit for Triple Axle Trailers - 3,500-lb Axles part number RM-2450-50 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Roadmaster Trailer Leaf Spring Suspension - RM-2450-50

  • Suspension Kits
  • Shock Absorbers
  • 3500 lbs
  • Triple Axle
  • Shocks
  • Roadmaster

Add these 2 heavy-duty shock absorbers to your Roadmaster Comfort Ride kit for tandem-axle trailers (RM-2450) to upgrade the suspension on your triple-axle trailer. Mounting brackets and hardware are included. Fits 2-3/8" axles.


Features:

  • Add-on shock kit adapts your Roadmaster Comfort Ride system (RM-2450) for use with a triple-axle trailer
  • Bolt-on installation
    • Included tie plates with extension pieces replace your existing U-bolt plates
    • Upper brackets mount on trailer frame with included hardware
    • Shocks attach to tie plate extensions and to upper brackets to help dampen movement of axle
  • Limited Lifetime Warranty


Specs:

  • Application: triple-axle trailers with leaf spring suspensions
    • Axle size: 2-3/8" diameter (typical 3,500-lb axle)
  • Shock length:
    • Extended: 17-1/2"
    • Compressed: 11-1/2"
  • Quantity: 2 shocks
  • 1-Year warranty


2450-50 Roadmaster Comfort Ride Shock Absorbers - Triple Axle Add-On Kit - 2-3/8" Axles

Installation Details RM-2450-50 Installation instructionsAlternate Instructions RM-2450-50 Installation instructions



Video of Roadmaster Comfort Ride Add-On Kit for Triple Axle Trailers - 3,500-lb Axles

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




Video Transcript for Roadmaster Comfort Ride Shock Absorbers Review

Hi there, towing enthusiasts. Today we're going to be taking a look at Roadmaster's Comfort Ride Shock Absorber System. They're available for either tandem axles and triple axles and they have three different sizes.For your 2 3/8-inch axles, it will support up to 3,500 pounds. For your 3-inch axles, you'll have a 5,200 to 7,000 pound kit. And for your 3 1/2-inch axles, we have a 8,000 pound kit. In addition to those, there's also an add-on kit, so if you decide to take the tandem axle kit that you have on your trailer and you upgrade to a triple axle trailer, you can take those, get the add-on kit for your additional axle, and then transfer those right on over.And this is what our shock absorbers are going to look like when they're installed.

Typically trailers don't have any shock absorbers, just leaf springs. Leaf springs don't really offer a whole lot as far as dampening. So a lot of that road shock is going to transfer from the road through your leaf springs up into your trailer. The shock absorbers will absorb a lot of road vibrations and any sudden impact she might have from pot holes, minimizing the transfer of that energy up through the trailer inside. So this way things that are inside won't feel that jarring motion nearly as much as they did when they didn't have any shocks at all.Many of our customers have reported in that they had damaged cabinet doors from slamming open and closed as well as broken dishes.

By adding shocks to the system, it greatly minimizes the amount of vibration, oscillations that you get in the back, so this will no longer happen.You'll also have a lot of expensive electronics and appliances inside of your camper, and you want to keep those safe. You don't want it doing this for eight hours on your way to your next destination. So if this was your toy hauler or car hauler, all the components you have inside of your trailer will also receive all those dampening benefits. All that shock that's going to transfer from the road through your trailer would also transfer to those components, but since we're minimizing it at the source, we're not going to see it down the line. So you can protect your classic car or motorcycle just as well as your refrigerator.Now there's a good chance if you're watching this video, you just got back from a frightening road trip where you we're white knuckled, holding onto the steering wheel as your trailer was swaying and pulling you all over the road.

Well, adding these shocks is going to help minimize that sway and chucking that you get in the back, so you won't feel it inside your truck. What this means for you is you're going to get to your destination with more energy, your hands aren't going to be sore from gripping the wheel, and you're just going to feel overall safer for you and your family as you're pulling your trailer behind you.And to give you an idea of what it's like inside your trailer, we set up some cameras inside of our fifth-wheel here and then took it for a ride before and after we installed the shocks.To help minimize sway, the shocks are placed at a 15-degree angle. This will limit the lateral movement and also the front-to-back and up-and-down movement. The shocks are filled with pressurized gas, which allows them to compress and extend, which creates enough force to off-set the amount of incoming vibration that occurs when you are driving over rough or uneven terrain.Lippert also makes a shock kit for trailers. However, Lippert shocks install on the outside of the frame, so you have to have enough clearance between the inside of your tire and the outside of the frame in order for the shocks to fit.

Many trailers don't have this clearance, so Roadmaster's kit is a great option, because it installs on the inside of the frame where you typically do have more clearance.Something else I would like to recommend if you're looking to further reduce road shock and chucking are Lippert's equal flex cushioned equalizers. They are an upgrade over your factory equalizers that will help smooth out your ride. You can see we have them installed along with our comfort ride shocks. It's a universal bolt-on system, so it's going to be great for your larger trailers, such as your fifth-wheels, your toy haulers, and then your car haulers. The shock absorbers going to connect to the upper and lower brackets. Your upper brackets going to attach to the frame and our lower bracket's going to attach to the top of our axle.And that completes our look at Roadmaster's Comfort Ride Shock Absorber kit.


Customer Reviews

Roadmaster Comfort Ride Add-On Kit for Triple Axle Trailers - 3,500-lb Axles - RM-2450-50

Average Customer Rating:  4.8 out of 5 stars   (91 Customer Reviews)

Add these 2 heavy-duty shock absorbers to your Roadmaster Comfort Ride kit for tandem-axle trailers (RM-2450) to upgrade the suspension on your triple-axle trailer. Mounting brackets and hardware are included. Fits 2-3/8" axles.
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Ask the Experts about this Roadmaster Trailer Leaf Spring Suspension



  • Will Roadmaster Comfort Ride Shock Absorbers Work on Trailer with Flipped Axles
    Yes, the Roadmaster Comfort Ride Add-On Kit # RM-2450-50 can be installed on trailers like yours that have the leaf springs mounted above the axles. I have actually attached an image from the complete installation manual that shows this orientation. This particular kit is designed to take care of the third axle in conjunction with the Roadmaster Comfort Ride Shock Absorbers # RM-2450. Both kits will give you everything you need for your triple axle Weekend Warrior. I have included a...
    view full answer...
    Image 1 for
  • Can the Add-On Roadmaster Comfort Ride Shock Kit Be Used On a Single Axle Trailer
    The Roadmaster Comfort Ride Shock Kit part # RM-2450-50 would indeed work just fine on a single axle trailer. The upper shock mounts gets attached directly to the trailer frame and then the lower shock mounts gets attached to the tie plate. There is no reason it would not work on a single axle trailer and I even called Roadmaster to confirm this for you.
    view full answer...
  • Shock Kit for Forest River Vengeance 5th Wheel
    If your 2016 Forest River Vengeance has tandem 2-3/8-inch axles you can use Roadmaster Comfort Ride Shock Absorber kit # RM-2450 which has nitrogen shocks to reduce the bounce from your leaf spring suspension. If it is a triple axle you will also use the Add-On Kit # RM-2450-50. If instead you have tandem 3-inch axles you can use kit # RM-2460 and add part # RM-2460-50 for a triple axle setup. Lippert kit # LC281281 is for single axle trailers.
    view full answer...
  • Replacement Lippert Screen Door Latch for RV
    Yes you can. Hopefully it's a part we carry or can get.
    view full answer...
    Image 1 for
  • Will the Lippert Bolt-On Shock Kit - 3,500-lb (2-3/8") Axle Work with Underslung Axles
    I do have an option for you but the Lippert Bolt-On Shock Kit w/ Heavy Duty Gas Shocks - 3,500-lb (2-3/8") Axle part # LC281255 is designed for overslung axles only. However, we do have a very similar kit which can be used on underslung axles, the Roadmaster Comfort Ride Add-On Kit 3,500-lb Axles part # RM-2450-50.
    view full answer...
  • Recommended Bolt-On Shock Mount Kit For A 2022 Jayco Jay Flight SLX 7 195RB
    The correct kit will depend on the weight capacity and diameter of your axle, but we definitely have a couple options for you to look at. From what I could find about your 2022 Jayco Jay Flight SLX 7 195RB, the GVWR will be 3,995 pounds, so I definitely recommend double checking the axle capacity before going with one of these. With that out of the way, first we have the Lippert Bolt-On Shock Kit w/ Heavy Duty Gas Shocks # LC281255 for a 3,500 pound 2-3/8" axle or # LC281281 for a 5,200...
    view full answer...
  • Is There a Shock Kit for a Trailer with 1-3/4" Diameter Axle
    I do have an option for you but none of the trailer shock kits available are designed to fit axles smaller than 3,500 lbs. That said, the Roadmaster Comfort Ride Add-On Kit part # RM-2450-50 should work as uses the existing u-bolts. The only option to increase ride quality is with the SumoSprings Trailer Helper Springs part # TSS-106-40 which would be a confirmed fit.
    view full answer...

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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Dustin K
Video Edited:
Dustin K
Employee Wilson B
Updated by:
Wilson B
Employee Isabelle B
Updated by:
Isabelle B
Employee David F
Installed by:
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Employee Mike S
Written by:
Mike S

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