Facility Enhancements > Pedal Karts XL 4 Rear Axle Sprocket Details Related Articles Gallery The XL 4 Rear Axle Sprocket is a replacement part for Prime Karts XL 4 pedal kart models.$42 XL 4 Rear Axle Sprocket quantity Add to cart Questions? Contact Us Others also viewed… Water Journey™ Spraypoint® Splashpad® Playable FountainsYou may also like… Outdoor Playgrounds Miniature Golf Hampton 3-in-1 Pool, Dining, & Table Tennis Playable Fountains