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Spare Tire and Wheel for Roadmaster Tow Dolly - ST205/75R14 Radial

Spare Tire and Wheel for Roadmaster Tow Dolly - ST205/75R14 Radial

Item # RM-200330-80
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Roadmaster Accessories and Parts - RM-200330-80
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Spare tire and wheel combination is designed for use with Roadmaster tow dolly with electric brakes (RM-2050-1). ST205/75R14 radial tire size. Call 800-298-1624 to order Roadmaster accessories and parts part number RM-200330-80 or order online at Free expert support on all Roadmaster products. Guaranteed Lowest Price and Fastest Shipping for Spare Tire and Wheel for Roadmaster Tow Dolly - ST205/75R14 Radial. Accessories and Parts reviews from real customers.
  • All Info
  • Reviews (15)
  • Q & A (0)
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  • Why etrailer?

Roadmaster Accessories and Parts - RM-200330-80

  • Trailers
  • Tow Dolly Parts
  • Spare Tire
  • Roadmaster

Spare tire and wheel combination is designed for use with Roadmaster tow dolly with electric brakes (RM-2050-1). ST205/75R14 radial tire size.


  • Tire-and-wheel assembly is designed for Roadmaster tow dolly with electric brakes (RM-2050-1)
  • Steel wheel with mod design is sturdy and corrosion resistant
  • Radial tire is constructed with double steel belts and double polyester cords for a long life
    • Great for highway use
    • Nylon tread-firming belt overlays help prevent tread separation
  • Made in the USA


  • Rim dimensions: 14" diameter x 6" wide
  • Bolt pattern: 5 on 4-1/2"
  • Tire size: ST205/75R14
    • Section width: 8"
    • Outer diameter: 26"
  • Tire capacity:
    • Load range: C
    • Ply rating: 6
    • Maximum load: 1,570 lbs at 50 psi
  • Limited Lifetime Warranty

200330-80 Road Master Spare Tire and Wheel for Tow Dolly 2050-1

Customer Reviews

Spare Tire and Wheel for Roadmaster Tow Dolly - ST205/75R14 Radial - RM-200330-80

Average Customer Rating:  4.6 out of 5 stars   (15 Customer Reviews)

Spare tire and wheel combination is designed for use with Roadmaster tow dolly with electric brakes (RM-2050-1). ST205/75R14 radial tire size.

- RM-200330-80

We needed this tire as a spare so I’m hoping we don’t need to use it but if we do we will have it!!

- RM-200330-80

I didn't try to put the tire on but it looks like it should fit.

- RM-200330-80

Not sure what I can write about. It's a wheel and tire, a spare for my tow dolly. Now it looks like I will have to get a spare tire carrier for it.

- RM-200330-80

Everything was delivered on time and we are very happy, we put the tire and the mount on the car dolly and so far so good.

- RM-200330-80

Came today just in time for our trip to S. Dakota It’s a spare for out tow dolly

- RM-200330-80

Package came early! Very happy, everything was perfect and it all fit where it’s supposed to, thank you! Very nervous about driving any distance without a spare, now I can relax.

- RM-200330-80

Received wheel & tire yesterday, looks good, good quality. This was shipped fast & received in 3 days, great service. This was the cheapest I could find this tire on line.

- RM-200330-80

Just what I needed before our next trip of 2000 miles. High quality

- RM-200330-80


- RM-200330-80

- RM-200330-80

- RM-200330-80

- RM-200330-80

- RM-200330-80

- RM-200330-80


Ask the Experts about this Roadmaster Accessories and Parts

  • Spare Wheel and Tire Recommendation for Use with Roadmaster Tow Dolly
    The recommended replacement wheel or spare for the Roadmaster dolly part # RM-2050-1 is the part # RM-200330-80. This is a 205/75-14 mounted on a wheel with a 5 on 4-1/2 inch.
    view full answer...
  • What is the Correct Cold Tire Pressure for a ST215/75R14 Trailer Tire
    The correct tire pressure for a trailer tire will be indicated on the tire sidewall. Trailer tires should always be inflated to the full cold psi pressure noted on the tire. They should never be run under- or over-inflated since this can reduce their load capacity and lead to overheating. Tires will vary in their required pressure based on their rated load range. For example, the linked page will show you radial tires in the ST215/75R14 size you referenced. The D-range tire # TTWTRTM2157514D...
    view full answer...
  • Recommended Spare Tire Carrier for the Roadmaster Tow Dolly RM3477
    Yes, the Spare Tire Carrier for Roadmaster Tow Dollies part # RM-2000-7 will work with the Roadmaster Tow Dolly with Electric Brakes (RM3477) part # RM-2050-1. For a spare wheel/tire you can use the Spare Tire and Wheel for Roadmaster Tow Dolly part # RM-200330-80.
    view full answer...
  • Can Tow Dolly Use Larger Tire
    I can only speak for the tow dollies we carry; and the Roadmaster Tow Dolly with Electric Brakes - 4,250 lbs # RM-2050-1, Demco Kar Kaddy SS # DM9713045 all use ST205-75R14 radial tires and you would need to replace those with the same size. You will likely have to replace the tire with the same size. For example, on the dollies we carry you would need one of these replacements: Spare Tire and Wheel for Roadmaster Tow Dolly - ST205/75R14 Radial # RM-200330-80, ST205/75R14 Radial Trailer...
    view full answer...
  • Solution for Towing 2017 Toyota Prius Behind Motorhome
    You are correct, the 2017 Toyota Prius that you have can only be towed on a dolly behind a motorhome. Good news is it won't put miles on the vehicle since the drive wheels will be on the dolly. I like dolly setups over tow bar setups for a number of reasons. The install time is considerably less, you can easily transfer the towing setup to a different vehicle unlike base plate kits that are vehicle specific, and you don't put miles on the vehicle. The price isn't that different either when...
    view full answer...
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  • Tire Weight Rating Questions
    A tire's weight rating is per tire. For example Roadmaster Tow Dolly with Electric Brakes 4,250 lbs # RM-2050-1, uses # RM-200330-80 tires which has a maximum load capacity of 1,570 lbs each. With 2 tires used, the load capacity of the tires doubles to 3,140 lbs. Since the # RM-2050-1 has an overall load capacity of 4,250, if you subtract the load capacity of the tires, 1110 lbs is the left over towing capacity of the tow dolly itself. Overall, the dolly's capacity is not equal to...
    view full answer...
  • Can the Roadmaster Tow Dolly # RM-200330-80 be Replaced with the Contender # AC14R45SM
    Since the Contender ST205/75R14 Radial Trailer Tire # AC14R45SM is the exact same size as the ST205/75R14 Spare Tire and Wheel for Roadmaster Tow Dolly # RM-200330-80 and they have the same 5 on 4-1/2" bolt pattern it is a great replacement. This tire and wheel combination actually has a higher weight capacity of 1,760 lbs and has a speed rating of 81 mph. Keep in mind that you will be limited by your least rated component so if anything else on your setup (if you are not using this...
    view full answer...
  • Can a 2014 Kia Sorento GDI be Towed with a Tow Dolly
    I took a look at the online version of your owner's manual and it looks like you can use a tow dolly for your 2014 Kia Sorento GDI as long as it is 2WD. If you have a 4WD then it needs to be towed with all 4 wheels off of the ground. I do recommend checking with your owner's manual or your nearest Kia dealer to confirm this. For tow dolly applications we have the Roadmaster Tow Dolly # RM-2050-1. It has the ability to utilize electric brakes when a 6-Way # PK11604 or 7-Way # PK12706...
    view full answer...
  • Towing a 2015 Hyundai Elantra Behind a 2018 Tiffin Allegro Using the Roadmaster RM2000-1 Tow Dolly
    Since your 2015 Hyundai Elantra cannot be flat towed, you will need to use a tow dolly, like the Roadmaster Tow Dolly # RM-2050-1 that you referenced. This is a great tow dolly that can tow a vehicle that weighs up to 4,250 lbs so it will work great for towing your Elantra. It does come with a 4-Way flat connector already installed that activates the light functions. If you would like to utilize the brakes, which I recommend doing, then you will get a 6-Way, like part # PK11604, or...
    view full answer...
  • How to Dolly Tow a 2014 Kia Sorento
    I took a look at the owner's manual for your 2014 Kia Sorento and on pages 6-17 and 6-18 it says that for a 2WD Sorento you will set the ignition switch to the ACC position, place the transaxle shift lever to the N (Neutral) position, and release the parking brake. A 4WD Sorento cannot be dolly towed. I encourage you to check your owner's manual to verify the instructions. When you compare the pricing of a flat towing setup vs a tow dolly setup it really comes out to about the same price....
    view full answer...
  • Parts Needed to Tow Two Different Vehicles on a Roadmaster Tow Dolly with Electric Brakes
    Neither of the tow dollies we carry are going to fit both of your vehicles completely. The closest is the Roadmaster # RM-2050-1. It has size ST205/75 R14 radial tires and electric brakes. However, it will only accommodate vehicles up to 77 inches wide at the wheels and wheels that are 12 to 16 inches in diameter. We do carry larger wheel nets like the Erickson # EM58518 which will fit between 14 to 29 inch wheels. The tow dolly has electric brakes but only has a 4-way trailer connector....
    view full answer...

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Info for this part was:

Employee Jameson C
Expert Research:
Jameson C
Employee Adam R
Expert Research:
Adam R
Employee Laura H
Written by:
Laura H
Employee Shelly K
Updated by:
Shelly K
Employee Isabelle B
Updated by:
Isabelle B

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