Crazy Illumin8 62mm LED Light Up Wheels 2pk Knee High Made in natural (gum) coloured

Made in natural (gum) coloured rubber

The two sides of the Matter Propel wheel are known as the Force side and the Flex side

In-Line Skating/Rollerblading

but here is a helpful guide for some Crazy products:

Visor Specs:

Crazy Illumin8 62mm LED Light Up Wheels 2pk Knee High Made in natural (gum) colouredSold as 2 pack Pre Pressed with 8mm high speed ABEC 7 Bearings Available in 7 Great Colours including some with Glitter!!! Batteries Not Required Quality Dynamo between bearings produces the power Light Up Your Life! illumin8 wheels use super bright and efficient LED technology that converts energy from the spinning wheel to generate the power to Light Up your wheels batteries are never required. The faster you go, the brighter your wheels become.