Product Description :
Luminous Light Up Quad Roller Skate Wheels (4-Pack) The lights come on automatically when the wheels are spinning.
Looks great and can help with safety when skating outdoors.
No batteries needed, these are powered by centrifugal force.
The faster you go the brighter they get! Product Specification Material：Polyurethane polymer synthetic material Size：32mm x 58mm (Free additional 10 pack 608 Bearing and 5 pack core for Roller Skate Wheels，which have been installed on the wheels) Hardness：82A Quantity：4 PACK Whether to shine：YES Glow color：Pink
Product Details :
|Item Package Dimensions L x W x H
|5.28 x 3.66 x 3.15 inches
|Date First Available
|October 13, 2020