A (wheel hardness / durometer)

What does the A mean on skateboard wheels? What does it mean when the wheels are 95A, or 100A? This has to do with hardness durometer - read this entry in the skateboarding dictionary and glossary to find out more about A, and other skateboarding terms, words, language and more.

Source: http://skateboard.about.com/od/skateboardingdictionary/g/GlossA.htm

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