What crossbar spreads will work with the SkyRise? User profile Updated March 20, 2020 00:28 Follow Both the small and the medium SkyRise rooftop tent work with crossbar spreads from 26” to 36”. Please see the attached SkyRise RoofTop Tent Guidelines for additional information. Still have fit questions? Submit a question for us here SkyRise Rooftop Tent Guidelines and Best Practices (2).pdf 1 MB Download Related articles Factory Crossbar Fits SkyRise Instructions Aftermarket Rack Fits Weight Limit - Greater than 165lbs What is the Minimum and Maximum Crossbar Heights for the Tents?