Bike Rassine Polypropylene Replacement Slick Rear Wheel for Drift Trikes, Black Rear wheel for Bike Rassine Underworld, Notorious and Syndicate drift trikes to replace worn part and update the feel of your ride Change only the outer slick--not the entire hub--saving cost and allowing you to experiment with the ride provided by different wheel materials Injection-molded wheel lasts up to 20 times longer than traditional low-end, blow-molded wheels Up to 9 pounds lighter than go-kart wheel with PVC slick coating What's in the box: 1 PP replacement slick wheel (hub not included)