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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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Axles

Find the Correct TrailMaster Rear Axle

Match the complete model name, Standard or Plus Mini platform, reverse equipment and rear-wheel size. Similar-looking axles can differ in width, mounting points, hubs and drivetrain fitment.

300 XRX owners: The independent-rear-suspension XRX uses rear shafts and bearings rather than the solid rear axle used by the 300 XRS.

Common axle fitments:

Before ordering: Check the old axle for bends or damaged threads, then compare wheel size, reverse equipment, sprocket and brake-disc locations, bearing surfaces and hub style. If uncertain, contact GoKartMasters with the exact model and clear photos of the complete rear assembly.

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