Maximum Speed. An average walking speed is somewhere around 3 miles per hour, but fast walkers and power walkers can often walk at speeds at or above 5 miles per hour. The speed at which you feel more comfortable running than walking is known as your break point, and a typical break point would be somewhere between 4 and 5 miles per hour.
Mini Skateboard Deck width: 7.0â³ with an average deck length of 28â. Mini decks are the best skateboards for beginners who are 6-8 years old, between 3â5â and 4â4â tall who wear size 4-6 shoes. Mid-size Skateboard Deck width: 7.3â+ with an average deck length of 29â. For skaters 9 to 12 years old between 4â5â and 5â2â tall who wear size 7-8 shoes.
608 Bearings. Inside Diameter - 8 millimeters. Outside Diameter - 22 millimeters. Width (unsealed) - 7 millimeters. Width (two shields) - 7 Millimeters. Typical Use - Commonly used for inline skate wheels, scooter wheels, and skateboard wheels, and sometimes also used for quad speed skate wheels.