What Cross Bar Spread is required for the SlimShady? Dave Dezellem Updated June 19, 2017 22:22 Follow The SlimShady will work with a crossbar spread of between 26 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? Cargo Box Load Capacity Can I mount a tent on a Load Basket? I've cracked my cargo box! Do you sell tops, or can it be fixed? Comments 0 comments Please sign in to leave a comment.