EPI Sand Dune Clutch Kit - Elevation: 0-3000ft. - Tire Size: 27-28in. - Paddle WE437041 Designed to give the best overall performance for those who spend most of their time in sand dunes Designed to work with aggressive (taller, wider, heavier) 27-28in. tires or 27-28in. paddle tires Pulls easier in tough conditions or in the mud May affect top end speed