The OJ Wheels Neon Yellow Super Juice 60mm, 78a Wheels feature metallic silver artwork on neon yellow OJ Super Juice urethane. Juice Specs Straight out of lab, Super Juice features a reinforced core and completely redesigned chip-resistant shape, all on OJs' classic ultra buttery 78a urethane. Cop a set and blaze all terrains with the crew! About OJ Wheels Founded in 1977, OJ Wheels stood out from their inception with a bright orange urethane and shape designed specifically for skateparks. Fast forward four decades, OJ Wheels makes skateboard urethane for any terrain. Fast, loose, and always fun, OJ seeks to make skateboarders everywhere hyped to go skate with their crew. OJ Wheels: Roll with the Juice.