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Shackle Strap - 2-1/4" Long
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TruRyde

Shackle Strap - 2-1/4" Long

Part Number: TRSL225
In Stock
$5.83
Trailer Suspension Parts
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etrailer Installation
We'll connect you with nearby partnered installers who know this exact setup.
2-1/4" Long shackle link connects double-eye leaf spring to the rear hanger or equalizer on trailer suspension systems. Shackling the 2 components together instead of bolting them directly allows for the necessary pivot of the springs. Great Prices for the best trailer suspension parts from TruRyde. Shackle Strap - 2-1/4" Long part number TRSL225 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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TruRyde Trailer Suspension Parts - TRSL225

Highlights

  • 2-1/4" Center-to-Center Length: Connects double-eye springs to equalizer or rear hanger.
  • 3-1/2" x 1-1/4" x 3/16" Plate: Sized right for solid suspension movement and spring travel.
  • 9/16" Bolt Holes: Accepts standard suspension bolts for secure, reliable linkage.
  • Allows Spring Pivoting: Lets the axle move freely for even load distribution and smoother towing.
  • Works on Single or Multi-Axle Setups: Links parts so each axle flexes properly over bumps.
  • Bare Steel Construction: Strong, straightforward part ready for painting or coating if desired.

Features to know about

Reliable Pivot for Smooth Suspension Travel: 2-1/4" Center-to-Center Shackle Strap

When you want your suspension to move freely instead of binding up, this 2-1/4" long shackle strap gets the job done. It connects a double-eye spring to the rear hanger or equalizer so your suspension can flex the way it’s meant to. That pivoting action keeps the load distributed evenly between axles and makes for a smoother, more stable tow.

Built Right for Lasting Strength: 3/16" Thick Steel Construction

A thin strap can twist or wear fast, but at 3/16" thick and 1-1/4" wide, this shackle link is made to hold firm under stress. The 9/16" bolt holes are precisely sized for proper hardware fit, keeping the connection tight so the springs and hangers work together without slop. It’s a strong link that won’t let your suspension down.

Sized to Fit and Function Cleanly: 3-1/2" Overall Length for Proper Geometry

Getting the right length keeps your spring angles where they should be and prevents binding or over-extension. With its 3-1/2" overall length and 2-1/4" center-to-center spacing, this strap maintains correct geometry across single or multi-axle setups. That means the springs stay level, movement stays smooth, and ride quality stays consistent.

Simple Replacement That Restores Suspension Performance

If your old shackles are rusted or stretched out, swapping in new ones like this restores proper suspension motion. It’s a straightforward part that makes a big difference — bringing back the right travel and cut-down bounce you expect from a well-tuned trailer suspension.

Specs

Dimensions

  • Length: 2-1/4" from center of hole to center of hole
  • Overall dimensions: 3-1/2" long x 1-1/4" wide x 3/16" thick
  • Bolt hole diameter: 9/16"

Technical diagram of TruRyde 2-1/4-inch shackle strap showing bolt hole spacing, overall length, and width measurements for trailer suspension setup.


SL-225 TruRyde 2-1/4" Long Shackle Link

Similar to 18-11 2-1/4" Long Shackle Strap





Video of Shackle Strap - 2-1/4" Long
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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Comprehensive Review: Shackle Strap

Hello everybody, this is Jeff at etrailer.com. Today, I'm gonna take a look at this 2 1/4-inch long shackle strap. Now this shackle strap will connect your double-eye spring to the rear hangar of your single axle trailer or to the A equalizer of a multi axle trailer. Basically using this, it'll shackle the two components together, instead of bolting them directly. It allows for the necessary pivot of the springs. This is a steel construction.

Few specs on this. Now, the length, when we say it's a 2 1/4-inch. It's not the overall length. When they talk about the length on a shackle strap, it's the measurement from the center of this hole to the center of this hole. So if we take our ruler and if we go center to center, you can see there's your 2 1/4-inch measurement.

Now, the overall dimension from one end to the other, 3 1/4 inches long, width on it, 1 1/4 inches wide, and 3/16 of an inch thick. And the two bolt holes on here, the diameter of those bolt holes are 9/16 of an inch. But that should do it for the review on the 2 1/4-inch long shackle strap.

Customer Satisfaction Score:

Ratings & Reviews

4.8

522 reviews
Review sort icon
2-1/4" Long shackle link connects double-eye leaf spring to the rear hanger or equalizer on trailer suspension systems. Shackling the 2 components together instead of bolting them directly allows for the necessary pivot of the springs.

by:

Very impressed with the quality of your products that I purchased from etrailer.Your knowledge of the products and expertise was greatly appreciated.Thanks again!



by:

Exact fit. Great quality. Excellent customer service!
etrailer is always my first choice for new or replacement parts.



by:

Received exactly what I ordered and fast too. I have ordered from etrailer before and spent some time searching for best price on these shackle straps. Save yourself some time and just use etrailer, they're the best. I would definitely recommend them.



by:

So far no problems everything is great used them in conjunction with my EQUA-FLEX installation. All is good



by:

My order came quickly, wish the work went that way. No, with a couple of jacks and a can of WD-40 bolts came out and all it well.
etrailer came though. looking for a older part and camp.... couldn't help. Will order again (with some easier work) this time.
Thanks



by:

The shackle straps are a bit thinner than those they replaced but are working fine one year later.



by:

Just needed a few shackle straps and found them here. Price was great, shipping charge fair, delivered by the weekend. Couldn't be more pleased.



by:

Straps are thinner than the originals. Seems to be a common complaint I overlooked before ordering. I will be concerned about premature wear and looser suspension until I get these replaced with better quality parts. Hopefully the wet bolt kits will lessen the wear.



by:

First time ordering from this company information on website is very useful tracking number email was awesome being able to look on the map and see exactly where my order was at will be ordering from this company for years on in now



by:

So glad we found greasable bushings, bolts and nuts to replace plastic setup on our 5th wheel while traveling. If you have Forest River you need to replace with greasable. Repair shops just do plastic if you don't know better and send you on your way!! Awesome staff and quick shipping Quality parts



by:

Just received the shackle straps and bolt. They look excellent and superior as the originals were only 1/2 " dia. and strap holes elongated by 1/4 ". One was worn thru. Also, straps are at least 1/32 thicker than originals.

You phone person that took the order did an excellent job and very patient. First trailer suspension I have overhauled so some difficulty in describing what I even needed.
Should be back on the road in a day or so. tks bob



by:

Bought 4 leaf springs, bolts, bushings, etc... Needed it next day, and the shipping cost more than the parts, which tells me the parts were a great price. All was well, on time, and to order. The only problem was I should have ordered two more shackle bolts... but that's on me. Thanks Guys and Gals. I am a happy 62 year old Marine Vet back on the road!



by:

Fit perfectly, thank you.



by:

Good product but the description is a bit confusing. The shackle is actually 3 1/2" long and the bolt holes are on 2 1/4' centers. Dexter calls this a 3 1/2" long shackle; eTrailer calls it a 2 1/4 long shackle. The diagram clears up the confusion, but it would be helpful to the uninitiated (myself) if the method of measuring was the same.



by:

The products I ordered are exactly as described, and finding what I was looking for was very easy. The ordering process is also very easy, and shipping was much faster than I expected. In fact, the folks at etrailer went out of their way to make that happen. The prices here are more than fair as well. The folks here go out of their way to help with accessories and product information to help insure you get the right parts for the task at hand.

Customer service is second to none here, and it is indeed very refreshing to see a company who "genuinely" cares about their customers satisfaction as the folks at etrailer do!

I will try to come back and submit photos once I complete the repairs.



by:

Erika was super helpful. Really helped me get the correct parts the first time. I will always use etrailer from now on!!

A+++ in my book!

Ed R. profile picture

Ed R.

9/17/2017

SUPERB!!!!!!!! Erika at E-Trailer is AWESOME!!!!



by:

good heavy duty shackles.

Doug V. profile picture

Doug V.

8/18/2016

Everything has worked great! Thanks for great parts, prices



by:

After suffering a major incident on the highway where 3 of the 4 tires were destroyed along with the rims and some suspension parts, I needed parts fast and correct for my trailer. These wheels, along with the other suspension parts, where inexpensive, well built, accurately described, delivered quickly, and exactly what I needed to get my trailer back up and in operating condition again.



by:

I ordered several items for my boat trailer to replace the springs and renew the related hardware. There was a little glitch, as the springs were sold out in inventory. The etrailer staff quickly advised me of this issue and offered alternatives. However, my order was shipped was shipped within a few days and arrived as ordered. I will definitely use etrailer again.



by:

replaced the suspension on my 5th wheel--all went well and now I am much releived to lub with a grease gun and not a oil can. one of the wet bolts was defective--I called you sent one out quickly--thanks



by:

Had a leaf spring break on my off-road trailer in Mexico. Left it at a boat yard until I received the parts from trailer & returned to replace. Only took 2 hrs to replace both leafsprinhs, shackles, bolts etc. And we were back on the road.



by:

Pat from etrailer helped me enormously with this purchase. Most of the 2 1/4 inch shackle plates I found for sale were 1/8 inch thick, but on my triple axle trailer the originals are 3/16 inch thick. I know it's not much, but I couldn't imagine going to a smaller (even slightly) shackle plate given that I was shopping for new ones after two of them broke! Anyway, Pat called the manufacturer the following morning when they opened, then called me to confirm they were the right thickness. What great customer service! The plates arrived quickly, and fit perfectly. My camper was stranded in front of my suburban home for fear the suspension would collapse if I towed it to be repaired. Finding the exact replacement parts allowed me to repair the camper myself and tow it back to storage before the neighbors got too upset. The plates were in good shape when they arrived, and the holes had a slight bevel to accept the ribbed shoulder of my replacement bolts. I expect many years of service out of these new shackle plates.



by:

A perfect match for the replacement shackle strap.



by:

Before and after installation

Jim .. profile picture

Jim ..

3/18/2019

I used the Camper in the Summer during the Holidays , No problems Every Thing is still Working Fine



by:

I received my first order of shackle straps and the envelope was taped up with no straps. I emailed etrailer and within minutes I had new ones on the way. No questions asked. Very impressed with the fast delivery of new ones. That's what I call a great business. Thanks a lot. U guys are really a 5 star outfit.

Scott profile picture

Scott

9/30/2025

After one year everything is holding up like new. Quality parts. I work my trailer very hard to make money. Very happy


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See what our Experts say about this TruRyde Trailer Suspension Parts

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    Thank you for providing the specs for the suspension components that you already have. Correct hanger spacing really depends on the components being used such as springs, hangers and equalizers. Most of the hanger spacing dimensions that we have are based on our preassembled kits, so we will use that as a foundation for your setup. First, I would either replace all of the front and rear hangers with 2-1/2 inch tall hangers like part # 115918 or replace just the center hangers with 2-1/2...
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  • Are Trailer Leaf Spring Shackles Supposed to be Angled or Totally Straight
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  • Are Shackles Necessary For A Single Axle Utility Trailer?
    Hello Greg. Generally, yes, shackles are required for any single axle utility trailer. The diagram below will show you the components of a typical single axle setup. You will have shackles on the rear hangers only. This is because as your axle hits bumps in the road it not only gets pushed up, but also back. With the shackle in the back you will have the best ride quality and suspension travel. Without shackles the suspension would likely be quite rough. The shackles should not be flattening...
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    Hi Richard, are you looking for replacement equalizers and shackle straps? Are the 7.5" and 8" measurements the width of your equalizers from center hole to center hole (measurement A in the attached picture)?
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  • Replacing Shackle Straps After Switching To A Taller Equalizer
    Hi Mike, With the height of your equalizer increasing an inch you might need to switch to 3-1/8" shackle straps # TRSL313 to keep the leaf spring stack level but this isn't an exact science so your leaf springs could end up sitting too close to the equalizer and will bind up. Your suspension should form a 'W' shape with the equalizer and shackle straps for proper suspension travel. Too far in or out with your shackles will cause binding or will flip the axles down on the equalizer. Because...
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  • Will Trailer Shackle Straps Rust
    The shackles like the # TRSL225 are bare steel. With enough contact with moisture they will begin to show signs of surface rust. Especially on a boat trailer that backed into saltwater.
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  • Replacement Shackle Straps for a Triple Axle 2016 Forest River XLR Nitro Thunderbolt 395 AMP
    Hey Bryan, thanks for reaching out! In order to get you some replacement shackles I'll need you to measure the length of your shackles, which is center eye to center eye (see attached photo). The most common lengths are 1-1/4" and 3-1/8" so for just replacement shackle straps you'd need # TRSL225 or # TRSL313 respectively. These come in a quantity of 1 so you'll need to adjust the quantity to match how many you're planning on replacing.
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    Hello Jerry, I can definitely point you in the right direction. For your shackles, it is important that the new shackles are identical in size to the old shackles. I do not have a way to look up your trailer to know the current shackle size, so your best bet will be to take a measurement of the shackles. They measured from center hole to center hole. For example, the most common shackle size is 2-1/4" long such as part # TRSL225. If you can provide me with your shackle length, I am happy...
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    It appears you may have installed shackle straps which are longer than what you may have had. It appears your straps are either 3-1/8" # TRSL313 or 3-1/2" # TRSL350 and you likely only need a 2-1/4" # TRSL225. This would move the mounting point closer to the axle and raise the trailer approximately 1/2". To get enough height to clear your crossmember you will likely need the Lift Kit # RR23QX. This will allow you to raise the suspension either 1-1/4" or 2-1/4" to clear your rear crossmember. On...
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  • How to Pick Out Correct Shackle Length for Trailer Suspension
    Well shackle length is mainly based on the height difference between the front and rear hangers. The rear hanger normally doesn't hang as low as the front so that the shackle can offset the difference and add the ability to move. What is the height difference from the frame of the trailer to the hole on both hangers? With that we can see what would work best as a shackle. You want to go with the shackle length that allows the spring to sit as level as possible. The most popular size is...
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  • Why do Some Trailer Suspension Kits Have Longer Equalizer Hangers
    The reality is that not every manufacturer makes their suspension kits to the same standard sizes. Some use taller hangers with wider equalizers and some might use a taller equalizer with a shorter center hanger. It really just comes down to the preference of the manufacturer and what gives them the ride height and distance between tires that works the best for them. Also the fact that some trailer leaf springs happen to be longer or shorter plays into what is best solution as well. Ideally...
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    The correct replacement for a Dexter 13-10 Equalizer is the Triangular Equalizer part # TREQ310, not the Curved Equalizer part # TREQE1. If you want to upgrade, the Equa-Flex Cushioned Equalizers part # LC279688 would work but you might want to go with a slightly shorter shackle strap like part # TRSL200 or part # TRSL225 due to the equalizer being longer. I have attached a list of our shackle straps below as well. The upgraded equalizer is going to be a night and day difference in regards...
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    The 7,000 lb double-eye leaf spring we have that is closest to 26" is the 24-7/8" long 6-Leaf Double-Eye Spring for 7,000-lb Trailer Axles # e64SR. Assuming yours have flattened a good amount (which will definitely be true if the trailer is older), these will work out as a good replacement. You mentioned hardware, and I'm assuming you were referring to U-bolts, shackle bolts and straps. You'll need to measure your shackle straps but you can use the following: - U-Bolt Kit # APUBR-9 -...
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    You'll be find with the same shackle length you're currently using, as the height difference is only a 1/4 inch. At the time you replace the equalizer, I'd also recommend replacing the shackle links, as they can see a lot of wear. The # TRSL225 2-1/4 inch shackle links would work great for you.
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  • Recommended U Bolt Kit and Shackles for 3500-lbs Axle
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  • Can 2-1/4 Inch Long Shackle Straps be Used in Place of 2 Inch Long Shackle Straps on a Trailer
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    Thanks for the photos and we can get your travel trailer set up with a new equalizer, bolts, shackle straps, and U-bolts. What you have is an EQ-310 equalizer, and for that and the bolts and shackle straps you'll need the following: - Triangular Equalizer # TREQ310 - Shackle Bolt with Locknut for Double-Eye Springs # 166081 - Shackle Strap - 2-1/4" Long # TRSL225 The only thing I can't say for sure what you need are the U-bolts, as it depends on if you have 2,000 lb axles or 3,500 lb...
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  • Double Eye Spring Recommendation and Suspension Parts for 6,000 Lb Trailer Axle
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  • What Should Hanger Spacing be If Trailer Leaf Spring is 25-1/4 inches Long
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Info for this part was:

Employee Zack K
Video Edited:
Zack K
Employee Lindsey S
Written by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Cole B
Installed by:
Cole B
Employee Jameson C
Expert Research:
Jameson C
Employee Wilson B
Updated by:
Wilson B
Employee Hannah L
Updated by:
Hannah L

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