High-speed cruiser black skateboard soft wheels 60mm 78a black How about an upgrade or custom for your Penny board? Wheels Size: 60mm Hardness: 78a soft wheels Brand: Blank, no brand Stone ground surface for easy sliding These are special soft wheels that can smoothly ride on various rough roads, recommended for commuting to work or school. Depending on your pushing power and technique, you should be able to achieve speeds similar to a mama-chari (Japanese commuter bike).