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The 40mm x 55mm rear axle wheel hub for your racing go kart features a 40mm inner diameter and a 55mm length, making it the preferred choice for many top teams and drivers in the 4-cycle karting community. This high-performance wheel hub is designed to "free up" the rear end of your go kart compared to the factory supplied Freeline hubs on all Birel made racing go karts, offering improved handling characteristics and responsiveness. These wheel hubs are sold individually.
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$61.15