Slime Balls Cafe 60mm OG Slime Light Ups 78a WheelsSLIME BALLS WHEELS Light up the streets with the Slime Balls Cafe OG Slime Light Ups 78a Wheels. These wheels feature LED lights embedded in the core to light up when the wheel is rolling with Glow In The Dark urethane. Designed and manufactured with a conical shape and beefed up to 60mm with a 78a durometer for the ultimate cruising experience. Light Ups come with removable replaceable Bronson Speed Co. G2 bearings. Wheels sold in sets of FOUR.