Durometer lets you know how tricky the wheel is. It is actually detailed from the identify of your wheel, and is particularly accompanied by a letter (ordinarily either “a” or “b”) (ex. 75 mm / 78a). This letter points out what scale was accustomed to measure the wheel. “a” wheels https://israelictiw.blog-a-story.com/17538779/5-simple-techniques-for-blind-skateboards