This high - performance bearing is designed for 25mm spindle shafts. It features an inner diameter of 25mm, an outer diameter of 42mm, and a width of 12mm. Ideal for ensuring smooth wheel rotation in your kart.

Using this wheel hub bearing is straightforward. First, make sure the 25mm spindle shaft is clean and free of any debris. Then, carefully fit the bearing onto the shaft. When installing, use gentle pressure to avoid damaging the bearing. As for maintenance, it's a good idea to regularly check the bearing for any signs of wear or damage. If you notice any unusual noises or roughness during wheel rotation, it might be time to inspect the bearing. Keep the bearing lubricated as recommended to extend its lifespan and maintain optimal performance. And always store the bearing in a clean, dry place when not in use.