Click or scroll to zoom Tap or pinch to zoom Tron GIGA Hz Indoor Roller Skate Wheels by HockeyGear.Com $3.99 80MM - $3.99 80MM Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Slot Core Technology increases rebound and overall grip Test Proven Urethane Sticky-wicky ingredient for superior grip Euromax ingredient for better wear DUROMETER 74A