We used our 60,000 PSI waterjet to spin a roller skate wheel to 45,000 RPM. We also did a razor scooter, roller blades and some caster wheels. The Weeknd ends yearslong Grammys boycott with ...

These quad skates also have tough 62mm, 93A hardness polyurethane wheels designed to provide just the right amount of grip. DESIGNED WITH SAFETY IN MIND - These traditional roller shoes are ...