24" axle Trailtrekker Kayak Cart. The best kayak cart on the planet. See the video. This kayak cart fit sea kayaks and slimmer kayaks. Paddlelogic makes 3 sizes of the Traitrekkerl. For wider kayak like the set-on-tops and wider rec kayaks use the 27". Forwidersit-on-tops and fishing kayaks we make the 30" axle Trailtrekker. Watch the video to see what size is right for your kayak.