Uploaded November 2020 | Updated September 2026, 1 week ago

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Walker Fowler’s Pro GNCC Championship Winning Trail Tires the GBC Ground Buster III. Affecting acceleration, braking, cornering precision, stability, and ride quality, picking the right set of tires is the single most cost efficient and impactful performance upgrade you can make on your Sport ATV. No one knows that better than Pro GNCC Champion Walker Fowler, who relies on GBC tires to help him get maximum performance out of his Factory Yamaha YFZ450R.

Walker formerly ran GBC XC Master tires at both ends throughout the season, which we reviewed a few years back. He now runs GBC’s most recently released high-performance rear trail tire, the Ground Buster 3 at most events.

It stands to reason that the tires Walker Fowler relies on to repeatedly reach the top tier of the podium would also be a top choice for anyone looking for the ultimate trail tire for their sport quad.
To test the Pro GNCC champ’s tire setup for ourselves, we met up with cross country racer and test rider Jim Nemacheck and his very patriotic Honda TRX450R at Haspin Acres off-road park in Laurel Indiana, offering the wide variety of terrain needed for a proper evaluation.

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GBC XC Master Sport ATV Tire Test
youtu.be/pL7ogD5MtYI

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