What are Skateboard Wheels Made of?

Answer

Skateboard wheels are made of a rubber-like material called urethane. They come in different sizes from 52mm to 60mm, and have ball bearings built in.
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Q&A Related to "What are Skateboard Wheels Made of?"
polyurathayne,
http://wiki.answers.com/Q/What_are_the_wheels_of_a...
they are usually made of steel, though silicon nitride, a high-tech ceramic, is sometimes used.
http://wiki.answers.com/Q/What_are_skateboard_whee...
urethane back in the day, most likely now the same urethane ***yes, it is still urethane
http://wiki.answers.com/Q/What_is_a_skateboarding_...
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