For sale: hual your atv with the quality of an Aliner uncategorized / sturtevant, wi 2015 Aliner evolution rear sofa bed the evolution, based on the larger chassis of its best-selling sister company, somerset meets the demands of extended stays off the grid. It offers a 35-gallon water tank, led lighting, and versatile front and rear decks to carry everything from camp chairs, gas cans and toolboxes to coolers, firewood and bicycles even a quad! Lightweight, heavy-duty aluminum rails unfold to serve as ramps. All that and its still the lightest of its kind on the market!