{"product_id":"25mm-x-30mm-rear-wheel-hub","title":"25mm x 30mm Rear Wheel Hub","description":"\u003cp\u003eThis 25mm x 30mm rear wheel hub from PKT slides straight onto your kart axle and gives you a rock-solid mount for the wheel. Made from lightweight aluminum with an 8mm keyway already cut and three 8mm wheel studs pressed in, it keeps everything secure through hard cornering while cutting unsprung weight. Perfect for both new racers learning the basics and experienced drivers chasing every gram of rotating mass.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 30mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeyway:\u003c\/strong\u003e 8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStuds:\u003c\/strong\u003e 8mm (installed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e Short\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy it matters on track:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect fit on \u003ca href=\"\/products\/pkt-25mm-axle-with-3-0mm-wall-pkt25-970-d30\"\u003e25mm kart axles\u003c\/a\u003e using \u003ca href=\"\/products\/pktak8-axle-key-for-40mm-axles-sold-each-pktak8\"\u003ePKTAK8 key\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eShort design reduces rotating mass versus standard hubs\u003c\/li\u003e\n\u003cli\u003ePre-installed studs mean faster wheel changes between heats\u003c\/li\u003e\n\u003cli\u003ePrecision machined for zero wobble at high cornering speeds\u003c\/li\u003e\n\u003cli\u003eNuts not included - uses standard 8mm wheel nuts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdetails\u003e\u003csummary\u003eWhat axles and keys does this 25mm rear wheel hub fit?\u003c\/summary\u003e\u003cp\u003eThis hub is designed for standard 25mm kart axles and uses the PKTAK8 key. It works on most metric rear axle setups in sprint and oval kart racing. Always confirm your axle diameter and key size before ordering.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eAre wheel nuts and hardware included with this PKT hub?\u003c\/summary\u003e\u003cp\u003eNo, wheel nuts are not included. The hub ships with the three 8mm studs already installed. You will need to supply your own 8mm wheel nuts - most racers use standard flanged or nylock nuts.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv style=\"margin:28px 0;\"\u003e\n  \u003cp style=\"font-weight:700;margin:0 0 12px 0;font-size:1.02em;\"\u003e🏁 Product Highlights\u003c\/p\u003e\n  \u003cdiv style=\"display:grid;grid-template-columns:repeat(2,1fr);gap:8px;\"\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eThis rear wheel hub slides onto a 25 mm kart axle and provides a mounting point for the wheel.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eThe hub features an 8 mm keyway that matches PKTAK8 keys on PKT axles.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eThree 8 mm wheel studs come pressed into the hub for direct wheel attachment.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eShort hub design reduces rotating mass compared to standard length hubs.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eMade from aluminum for a lightweight build that helps lower unsprung weight.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eBlack anodized finish protects the aluminum from corrosion during race weekends.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eHub measures 25 mm inner diameter by 30 mm outer diameter and is made in the USA.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eNuts are not included with the hub and must be purchased separately.\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px;border:1px solid #d8e8f2;border-radius:6px;background:#f8fbfd;font-size:0.91em;line-height:1.45;\"\u003eFits standard 25 mm rear axles used in most sprint and oval karts.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"PKT","offers":[{"title":"Default Title","offer_id":53415173620030,"sku":"PKT25X30RH","price":67.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/pkt-25mm-30mm-rear-wheel-hub-three-quarter.jpg?v=1777629400","url":"https:\/\/swiftkarting.com\/products\/25mm-x-30mm-rear-wheel-hub","provider":"Swift Karting","version":"1.0","type":"link"}