OJ Wheels 55mm Mini Super Juice Orange Mai Tai wheels with dyed yellow to orange 78a urethane and orange core. Mini Super Juice is a slimmed down version of OJ's super tough Super Juice. Straight out of lab, Mini Super Juice wheels feature a reinforced plastic core and completely redesigned shape, all on OJs' classic ultra buttery 78a urethane. Cop a set and blaze all terrains with the crew!