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Typical longboard wheels range from 65 to 107 millimeters (2.6 to 4.2 in) in diameter. A taller wheel will have slower acceleration but a faster rolling speed. Smaller wheels have the opposite effect. The durometer of a wheel is how hard the urethane is. A softer wheel will be ultimately slower than a harder wheel on smooth surface.
Each skateboard wheel is mounted on its axle via two ball bearings. With few exceptions, the bearings are the industrial standard "608" size, with a bore of 8 or 10 mm (0.315 or 0.394 inches) depending on the axle, an outer diameter of 22 mm (0.866 inches), and a width of 7 mm (0.276 inches).
Diagram of turning vehicle. On wheeled vehicles with the common type of front wheel steering (i.e. one, two or even four wheels at the front capable of steering), the vehicle's turning diameter measures the minimum space needed to turn the vehicle around while the steering is set to its maximum displacement from the central 'straight ahead' position - i.e. either extreme left or right.
Wheels: Penny board wheels are made from Polyurethane, with a plastic core. The wheels on 22-inch (55.9 cm) and 27-inch (68.6 cm) Penny boards have a diameter of 59 mm (2.323 inches), while Penny longboard wheels have a larger diameter of 69 mm (2.717 inches).
Wheels: Usually made of polyurethane and sized between 39 and 70 millimeters in diameter, their hardness is measured by durometer, a number ranging from 0 to 100. Soft wheels have a durometer of about 85, hard wheels have a durometer of 98 or higher. .63 mm wheels are usually reserved for longboards , which go significantly faster and benefit ...
Slalom skateboarding is a form of downhill skateboard racing that first appeared in the 1960s and 1970s and has made a resurgence in popularity in the 2000s. Slalom racers skate down a course usually marked by plastic cones. The racer tries to get through the course with the fastest time, while knocking down the fewest cones.
A skateboard wheel contains two bearings, which are subject to both axial and radial time-varying loads. Most commonly bearing 608-2Z is used (a deep groove ball bearing from series 60 with 8 mm bore diameter) Many yo-yos, ranging from beginner to professional or competition grade, incorporate ball bearings.
A fingerboard is a scaled-down replica of a skateboard or snowboard that a person "rides" with their fingers, rather than their feet.. A skateboard fingerboard is typically 100 millimeters (3.9 in) long with width ranging from 26 to 34 mm (1.0 to 1.3 in), with graphics, trucks and plastic or ball-bearing wheels, like a skateboard. [1]