LePera, TailWhip 2-up seat Double DiamondRider seat 10. 75" wide; passenger seat 7" wide. Double Diamond stitch upholstery. Built with LePeras Marathon Foam on a steel base plate for maximum stability and comfort. With this Tailwhip LePera has taken the Kickflip a step further. The whipped tail improves passenger lower back support. That; combined with the unrivaled high arching back support for the rider makes this a serious in contender when it comes to a great mix of style and comfort.