Santa Cruz Medusa Flex Tech Complete Skateboard Cruiser - 9.7" x 37.8" The Medusa Flex Tech Cruzer is the perfect hybrid longboard/cruzer. Featuring slalom camber concave and flex deck construction, this cruzer has ultra responsive carves and turns thanks to the Road Rider 180mm trucks. Slimeball 66mm, 78a wheels roll fast and smooth over the roughest surfaces while still allowing for controlled slides.