Dark Matter Steel Modular Trailer Wheel - 15" x 5" - 5 on 4-1/2 - Matte Black ESR Finish

Dark Matter Steel Modular Trailer Wheel - 15" x 5" - 5 on 4-1/2 - Matte Black ESR Finish

Item # 550545M1DMX

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550545M1DMX - Better Rust Resistance Taskmaster Tires and Wheels
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  • Wheel Only
  • 15 Inch
  • 5 on 4-1/2 Inch
  • Steel Wheels - ESR
  • Boat Trailer Wheels
  • Taskmaster
  • Better Rust Resistance
This 15" x 5" steel trailer wheel has a 5 on 4-1/2 bolt pattern and a 3.19" pilot diameter. Environmentally friendly ESR finish stands up to saltwater better than galvanized finishes. Improved torque retention secures wheel. Lowest Prices for the best tires and wheels from Taskmaster. Dark Matter Steel Modular Trailer Wheel - 15" x 5" - 5 on 4-1/2 - Matte Black ESR Finish part number 550545M1DMX can be ordered online at etrailer.com or call 800-298-8924 for expert service.


  • All Info
  • Reviews (7)
  • Q & A (1)
  • Videos (1)
  • Photos
  • Why etrailer?

Taskmaster Tires and Wheels - 550545M1DMX

This 15" x 5" steel trailer wheel has a 5 on 4-1/2 bolt pattern and a 3.19" pilot diameter. Environmentally friendly ESR finish stands up to saltwater better than galvanized finishes. Improved torque retention secures wheel.


Features:

  • Sturdy steel trailer wheel with modular design is corrosion resistant
    • Great for boat trailers and other marine applications
  • Extreme salt resistance (ESR) finish weathers the elements better than galvanized finishes
    • Matte black finish sprayed on over e-coat primer
    • Excellent corrosion resistance with a salt spray rating of more than 700 hours
    • Finish applied through an environmentally friendly technique
  • Improved torque retention (ITR) technology helps to keep wheel securely in place on your trailer
    • Uncoated stud holes are beveled to offer better clamp force retention
  • Valve stem is included
  • Wheel meets SAE J1204 standards


Specs:

  • Rim dimensions: 15" diameter x 5" wide
  • Bolt pattern: 5 on 4-1/2"
  • Wheel bolt size: 1/2"-20
  • Capacity: 1,870 lbs
  • Pilot diameter: 3.19"
  • Offset: 0
  • 2-Year limited warranty


Extreme Salt Resistance (ESR) Finish Is Environmentally Friendly

This wheel has an extreme salt resistance (ESR) matte black finish, which is sprayed on over a layer of e-coat primer. Compared to galvanized finishes, this highly corrosion-resistant finish withstands the effects of saltwater and inclement weather for a longer period of time. ESR-finished wheels performed for more than 700 hours in salt spray tests.


In addition, this ESR finish is an eco-friendly alternative to galvanized finishes, which can be bad for the environment.


Improved Torque Retention Technology

Dark Matter Beneved Lug Holes

The automotive-rated center disc is raised and the stud holes are beveled and uncoated for better clamp force retention. This technology helps the wheel stay tight against your hub without the need for constant retightening.


Determining the Bolt Pattern

The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.


Bolt Pattern - Odd

To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: "5 on 4-1/2" means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)


Bolt Pattern - Even

On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: "8 on 6-1/2" means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)


Bolt Pattern - Side

Measuring the distance from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.

  • If D = 2-5/8", then the bolt pattern is 5 on 4-1/2"
  • If D = 2-3/4", then the bolt pattern is 5 on 4-3/4"
  • If D = 3", then the bolt pattern is 5 on 5"
  • If D = 3-1/4", then the bolt pattern is 5 on 5-1/2"


550545M1DMX Taskmaster 15x5 Dark Matter Marine Steel Modular Rim - 5 on 4.5 - Matte Black







Video of Dark Matter Steel Modular Trailer Wheel - 15" x 5" - 5 on 4-1/2 - Matte Black ESR Finish


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




Video Transcript for Taskmaster Tires and Wheels - Wheel Only - 550545M1DMX Review

Speaker 1: Today we're gonna take a look at the 15 inch by five inch dark matter steel modular boat trailer wheel with the five on 4 1/2 inch bolt pattern and the matte black finish. This is a sturdy steel boat trailer wheel. It's a modular design. When we say modular design, that's the one that has the round holes all the way around the wheel. This one has a matte black finish on it, which is sprayed on over an E-coat primer. It's very corrosion resistant.

Does use an ESR finish. The ESR stands for extreme salt resistance. This'll help weather the elements better than your galvanized finishes, and when it's compared to galvanized finishes, this highly corrosion resistant finish will withstand the effects of salt water and inclement weather for a long period of time. In addition to ESR finish is an equally eco-friendly alternative to galvanized finish because the galvanized finish is extremely toxic to the environment. This is a tough, environmentally friendly coating.

It won't corrode on contact with the salt water. Has excellent corrosion resistance with a salt spray rating of more than 700 hours. Does use the ITR technology, which stands for improved torque retention. This is designed to help keep your wheel securely in place on your trailer. Basically what they do is they use uncoated stud holes here, which are beveled to give you better clamp force retention.

And if you notice on the wheel, the valve stem is included.Now we are gonna give you a few dimensions. Gonna give you the diameter. Diameter is always measured from inside to inside, or beat seat to beat seat. So if we take our tape measure and we put it on the inside-inside measurement, you'll see it's right at 15 inches for diameter. The width on the wheel, again, is beat seat to beat seat or inside to inside.

It's right at five inches, so 15 inch by five inch wide. Bolt pattern on this wheel is a five on 4 1/2 inch bolt pattern, and if you wanna measure that on a wheel, it's an odd number of lugs. The best way to do it is just pick any hole, let's say this one, and you're gonna measure across to either one of these holes, but when you measure it's from the center of the starting hole to the furthest edge of the hole that you measure to. So if we go center to furthest edge is 4 1/2 inches. So five on 4 1/2 inch bolt pattern. This wheel does use the wheel lug size of a half-inch by 20. Weight capacity on this wheel is 1870 pounds, and the last dimension we're gonna give you is this pilot hole diameter. This is the large hole on the wheel that goes over the hub on your trailer. Diameter of that opening is 3.19 inches.That should do it for the review on the 15 inch by five inch dark matter steel modular boat trailer wheel with the five on 4 1/2 inch bolt pattern and in the matte black finish.


Customer Reviews

Dark Matter Steel Modular Trailer Wheel - 15" x 5" - 5 on 4-1/2 - Matte Black ESR Finish - 550545M1DMX

Average Customer Rating:  5.0 out of 5 stars   (7 Customer Reviews)

This 15" x 5" steel trailer wheel has a 5 on 4-1/2 bolt pattern and a 3.19" pilot diameter. Environmentally friendly ESR finish stands up to saltwater better than galvanized finishes. Improved torque retention secures wheel.

- 550545M1DMX
by:

I haven't gotten installed yet but I give it a 5 for great service. The rims are as advertised. 542827



- 550545M1DMX
by:

Everthing was as advertised and anticipated. Good products and exceptional service. I won't hesitate to do more business with the folks at etrailer.com.Thank You! 578683



- 460545M1DMX
by:

Review from a similar Taskmaster Dark Matter ESR in Tires and Wheels


Great price with free and fast delivery. This i definetly a matte black! 590231



- 560655M1DMX
by:

Review from a similar Taskmaster Dark Matter ESR in Tires and Wheels


Very nice piece. Would buy again when n eeded. 542613



- 560655M1DMX
by:

Review from a similar Taskmaster Dark Matter ESR in Tires and Wheels


Exactly what I was looking for. The rim came carefully packaged and arrived on time. Will work perfectly on my Load Rite Boat Trailer. I needed an additional rim and tire and this fit the bill. 612670



- 5514WS1DMX
by:

Review from a similar Taskmaster Dark Matter ESR in Tires and Wheels


Good price on just what I was looking for. Very well made 598144



- 560655S1DMX
by:

Review from a similar Taskmaster Dark Matter ESR in Tires and Wheels


THE PRICE WAS GREAT , THE SHIPPING WAS SO FAST IT WAS UNBELIEVEABLE , THANKS , I WILL GLADLY ORDER FROM YOU AGAIN !!!!! 577269


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Ask the Experts about this Taskmaster Tires and Wheels
Do you have a question about this Tires and Wheel?


  • Will Taskmaster Dark Matter Trailer Wheel # 550545M1DMX Work on 3,500 Pound Axle
  • The Taskmaster Dark Matter Trailer Wheel # 550545M1DMX features a weight capacity of 1,870 pounds, which would give you a combined load capacity of 3,740 pounds for the axle. This is plenty sufficient as you shouldn't be exceeding the 3,500 pound weight capacity on the axles for your trailer. We don't have matching Dark Matter lug nuts but the CE Smith # CE11051 is a good option and could be painted to match the wheel if desired. There again isn't a matching hub cover available...
    view full answer...



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Info for this part was:

Installed by:
Jeff D
Written by:
Mary E
Edited by:
Amanda M

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