Choose from 1 1/4', 30mm, 40mm, or 50mm metric axle sizes. This CKS billet aluminum gear hub offers great versatility. The sprocket can be mounted on either side of the hub, perfect for various engine and kart combinations. It's a CKS billet European aluminum sprocket hub with a standard 6 - bolt pattern and 2 - pinch bolt style. It requires (6) 6mm bolts and is proudly made in the USA.

Using this sprocket hub is easy. First, select the right axle size that fits your engine and kart from the available options: 1 1/4', 30mm, 40mm, or 50mm. Then, you can mount the sprocket on either side of the hub according to your specific engine and kart combination. Make sure to use the required (6) 6mm bolts for a secure fit. When it comes to maintenance, keep the hub clean and check the bolts regularly to ensure they are tightened properly. Store it in a dry place when not in use. Remember, this product is made in the USA, so you can expect high - quality performance.