Slimeballs Light Ups feature LED lights that light up when you roll, powered by the rotation of the wheel and bearing. No batteries required, come with bearings. OG Slime shape is a versatile, symmetrical center bearing cruiser wheel with soft, 78a urethane.

Features:

• Diameter: 60.5mm
• Durometer: 78a
• Width: 40mm
• Road Surface: 30mm