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Scott and the kids with TrailMaster go-karts and minibikes at their backyard track. Text reads: “They’re Only Little Once. Make Time for Big Adventures. Get Back to Fun.”

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Tires & Wheels

Shop TrailMaster 300 XRX tires and wheels, including front and rear tires, aluminum rims, front wheel hubs, axle nuts and valve stems. Choose individual tires, pairs or a complete tire set.

The listed replacement tire sizes are 20x7-8 front and 22x10-10 rear. Confirm the size marked on your existing tires and check rim dimensions and mounting details before ordering.

Aluminum rim listings are for the rim only and do not include a tire. Check each tire or hub listing for its quantity and included components.

Not sure which model you own? Identify your TrailMaster go-kart before ordering.

Browse all TrailMaster 300 XRX parts, or return to the TrailMaster go-kart parts hub.

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