premier custom trailers llc financing available we ship anywhere in usa sport haven has been manufacturing a variety of trailers for your recreational needs since 2011. sport haven trailers are built with only premium components and feature a 3-year frame warranty. standard specifications frame -4" extruded aluminum tube frame -13" tube side rails -a-frame tongue -tandem 3500 lb spring axles w/ brakes -2" coupler -safety chains & hooks -1 200# manual swivel jack w/ wheel -24" o/c floor crossmembers interior -treated 5/4" wood floor - 6 tie downs exterior -7-way trailer plug -removable ramp gate - 1750# capacity -spring loaded gate latches -led clearance and brake lights -steel wheels w/ radial tires added options -spare tire mount premier custom trailers llc 12394 u.s. 131 n schoolcraft mi 49087 just 5 minutes from kalamazoo