Specialized ATV, LLC » Polaris Your Destination for Quality Polaris Parts Shop Parts Shop Browse through our selection of Polaris Parts for your every need. +3 Defender xmr/lonestar rear adjustable a arms 00028 $880.00 In stock Quantity: 1 Add to Bag Product Details Defender xmr and lonestar rear a arms Adjustable rear upper a arms Heavy duty arched lowers a arms All built with 1.25 .250 dom tubing and .25 tabs and plate. Backed with a lifetime warranty! Save this product for later Favorite