While the 5/8" bearings are mentioned in the literature with the wheels, they only come with the 3/4" bearings.
Since I was using them in a custom install, I fabricated 3/4" axles to take advantage of the bigger bearings.
The wheels I replaced had 1/2" bearings /.axles.
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Marathon Tires Flat-Free Tire on Plastic Spoke Rim, 3/4in. Bore, 26 x 2.125in.

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Shipping:
Available nowStore Pickup:
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- Tire is nonmarking and has the bounce and feel of a pneumatic tire without ever getting flat
- Perfect replacement tire
- Solid polyurethane tire is mounted onto a plastic spoked rim
See full description
Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
This is the perfect replacement tire -- performs like an air tire with NO FLATS! Lightweight, solid polyurethane tire is mounted onto a plastic spoked rim, with 3.8in. centered hub and 3/4in. ball bearings.
What's Included
- (1) Tire and rim
Features + Benefits

- Tire is nonmarking and has the bounce and feel of a pneumatic tire without ever getting flat
- Perfect replacement tire
- Solid polyurethane tire is mounted onto a plastic spoked rim
Key Specs
| Attribute | Specification |
|---|---|
item# | 50850 |
Brand | Marathon Tires |
Manufacturer's Warranty | 12 months parts/12months labor |
Ship Weight | 9.0 LB |
Tire Size | 26 x 2.125 |
Style of Tire | Tire and Rim |
| Attribute | Specification |
|---|---|
Flat Free | Yes |
Pneumatic | No |
Tread Type | Ribbed |
Load Capacity | 300 lb |
Tire Diameter | 26 in |
Tire Type | Solid Rubber |
Reviews
Questions & Answers
Questions
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· 8 years ago
Does this come with an extra set of bearings for a 5/8” axle?
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vn350x10· 6 years ago
Helpful?
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ProductExpert26· 8 years ago
This tire only comes with 3/4" bearings.
Helpful?
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· a month ago
Is this a single tire or a pair?
1 answer-
ProductExpert30· a month ago
This item includes a single tire.
Helpful?
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· 4 months ago
Does this rim have the quick connect axle ? Can I reuse axle from previous rims
1 answer-
ProductExpert6· 4 months ago
The rim on this tire does not come with a specialized quick-connect axle. It is designed for easy installation using your existing axle and hardware.
Helpful?
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· 3 years ago
What is the hub width on this tire?
1 answer-
ProductExpert6· 3 years ago
The hub width on this tire would be 3.75".
Helpful?
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· 4 years ago
Is this tire material solid all the way through or is it a tire with foam inside? A short term use as beach prop will require attaching sand cleats with screws or rivet like devices.
1 answer-
ProductExpert5· 4 years ago
The solid tires are made of polyurethane.
Helpful?
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· 4 years ago
Where can i buy a replacement 3/4"x2.125 bearing?
1 answer-
ProductExpert11· 6 months ago
The replacement bearing for this is part number MS60010. Parts are no longer available through Northern Tool. Please contact our sister company Jacks Small Engines for price and availability at www.jackssmallengines.com.
Helpful?
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· 5 years ago
Country of origin?
1 answer-
ProductExpert18· 5 years ago
This Marathon flat-free tire/rim is made in China.
Helpful?
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· 5 years ago
What is temperature rating for tire and for plastic rim?
1 answer-
ProductExpert38· 5 years ago
The wheel has a weight rating of 300 lbs. up to 100 degrees F. Above 100 degrees F, the load bearing will be lowered by 2%-3% per every degree increase. The maximum temperature for testing is 120 degrees F.
Helpful?
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Warranty
Manufacturer's Warranty
12 months parts/12months labor
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Specifications
26 x 2.125
12x4
12x4
12x4
Tire and Rim
Rim Only
Rim Only
Rim Only
Yes
No
No
No
No
No
Yes
No
Ribbed
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300 lb
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1,520 lb
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26 in
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Solid Rubber
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13 in
12 in
13 in
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9.9000 lb
9.9000 lb
9.8000 lb
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12.5 x 12.5 x 9.0 in
14.0 x 14.0 x 9.5 in
14.0 x 14.0 x 5.5 in
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4
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4 in
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Steel
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