What Cross Bar Spread is required for the SlimShady? User profile Updated August 19, 2019 23:06 Follow The SlimShady will work with a crossbar spread of between 24 and 70". If you have additional questions, contact us here, or by phone at 888-925-4621 M-F from 7 to 4 PT. Related articles What are the specs on the Yakima SlimShady Can the SlimShady be mounted on a Warrior Basket? U.S. Customer Support How to install / remove the tent body from the base Weight Limits