I purchased a set of these for my Cub 126:
https://simpletire.com/bkt-23-10.50-12-94022298-tires
They were much cheaper than the Tru Powers, and did just as well in a recent tractor pull. I use them on my property for ground work and snow removal. I've also taken them on trail rides, and as mentioned used them in tractor pulls. I loaded them with washer fluid.
Highly recommended.
Here is a pic of mine:
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Current Fleet: 100, 126, 147, 128, 1450, 1650
