Light up your world with these amazing Luminous LED Wheels! As you cruise, these LED wheels light up and cause the exterior color to glow magnificently, illuminating your every move! These wheels are available in EIGHT different colors, Blue, Green, Orange, Pink, Purple, Red, White and Yellow, with a hardness rating of 85A. They also come in the GLITTER color as well. They sell as a four pack, so feel free to mix and match too! Be a light in the world and glow the night away! These wheels are sold in 4 packs and come with 8mm bearings that fit most quad roller skates