I used the size suggested by Northern for my tire and it was a good fit. I gave them the tire size info and they said which tube to get.
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Martin Wheel Inner Tube, Straight Valve Stem, 23/850/950/1050-12in., Model# T8512K

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Shipping:
Backordered: Order now to reserve yours -
Estimated to ship 07/17/26Store Pickup:
Call Store for Availability
- Includes straight valve stem
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Description
Key Specs
Reviews
Q & A
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Product Summary
What's Included
- (1) Inner tube
Features + Benefits
- Includes straight valve stem
Key Specs
| Attribute | Specification |
|---|---|
item# | 24308 |
Brand | Martin Wheel |
Ship Weight | 3.01 LB |
Fits Rim Size | 12 in |
| Attribute | Specification |
|---|---|
Fits Tire Size | 23 x 8.50, 23 x 9.50 |
Valve Stem | Straight |
Included (qty.) | 1 |
Reviews
Questions & Answers
Questions
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· 13 years ago
will this tube fit a 26X12-12 tire
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krv54· 13 years ago
Helpful?
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ProductExpert40· 13 years ago
This inner tube would not be a good fit for a 26x12-12 tire. Currently Northern does not carry an inner tube for this size of tire.
Helpful?
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· 6 years ago
will this tube fit a 24 x 9.50 -12 turf tire?
1 answer-
ProductExpert37· 6 years ago
This would not fit this tire size. This item fits tire sizes 23 x 8.50-12 and 23 x 9.50-12.
Helpful?
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· 9 years ago
Will this tube fit a 24x12.00-12NHS tire?
1 answer-
ProductExpert30· 9 years ago
This inner tube is designed to fit a maximum size tire that is 23 x 10.50 x 12.
Northern Tool currently would not carry an inner tube that will fit a 24 x 12.00 x 12.Helpful?
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· 12 years ago
Will this tube fit a 22x9.50x12 tire
1 answer-
ProductExpert40· 12 years ago
This inner tube would not be a good fit for a 22x9.50x12 tire. Northern does not currently have an inner tube to fit this size tire.
Helpful?
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· 12 years ago
will this tube work on a 22/9.50-10 tire
1 answer-
ProductExpert40· 12 years ago
This inner tube would not be a fit for a 22/9.50-10 tire. At this time, Northern does not carry the size inner tube needed to fit this size tire.
Helpful?
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· 12 years ago
will this fit 23/9.5 12-nhs
1 answer-
ProductExpert31· 12 years ago
Yes, this inner tube will fit a 23/9.5 12 inch rim tire.
Helpful?
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· 14 years ago
Will this tube fit 23x10.5-12 tires? The tittle looks like it will but the package picture only specifies 8.50 and 9.50
1 answer-
ProductExpert31· 14 years ago
Yes, this tube will fit 23 x 10.5 - 12 tires.
Helpful?
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$34.99Shipping:
Backordered: Order now to reserve yours -
Estimated to ship 07/17/26Store Pickup:
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- $3.29
Shipping:
Factory shippedStore Pickup:
- $5.29
Shipping:
Factory shippedStore Pickup:
- $5.99
Shipping:
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Specifications
12 in
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23 x 8.50, 23 x 9.50
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Straight
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1
4
2
2
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0.0500 lb
0.0500 lb
0.0500 lb
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1.6 x 1.2 x 5.4 in
1.8 x 1.6 x 5.4 in
1.8 x 1.4 x 5.3 in
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