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Designed specifically for UTVs and ATVs, the new R4 from STI is a massive mud weapon for drivers serious about performance. Some “tractor tire” designs are made literally for tractors, while the STI R4 has U in mind – UTV and ATV, that is.
- Up to 35 inches tall for UTVs, and as small as 28 for ATVs
- 8-ply rated radial design
- Deep lugs: 1.75 inches at center and 2.0 at shoulder
- Super beefy rim guard
- 9 inches wide
Check out the details on the R4 product page.
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