Considered both a sport and a mode of transportation, skateboarding has found its way into mainstream culture and can be seen not only on the streets and in neighborhoods, but also on TV, in movies and in advertisements across the nation. Skateboards are made up of several major parts such as, , Skateboard Bearings, Skateboard Hardware, Skateboard Trucks, and Skateboard Wheels. Also, there are optional accessories such as, Lapper, Nose guard. Rails, Risers, (Angled) Risers, Grip tape, Tail guard. All of these parts can be purchased online at a very reasonable price.
Skateboard decks like are usually 7-ply maple planks that are anywhere from 7-10 " inches wide. Wide planks are used for trick-skating, while skateboards in the 7-8 " inch range are used for street-skating. Decks usually have "grip tape" on the top of them. This tape adheres to the top of the deck, while the surface provides a sandpaper material, which helps the individual "grip" the board. Decks also have a wide range of designs on the bottom of them from patterns or solid colors which allow the individual to add stickers without disrupting any art to figures, structures and landscapes.
Bearings facilitate to mount the deck on an axle. Nearly all bearings are graded according to a scale called an ABEC scale. Standard size of bearings is Industrial 608 and bearings are by and large made of steel. Other hardware includes a set of bolts, generally 8 in a set (10-32 bolts). An Allen (or crosshead) is also part of hardware. Also, used are self-lock nylock nuts.
Skateboards contain two metal trucks, which are generally made from aluminum alloy. These join the wheels to the deck. The trucks are made up of a base plate and a hanger. The base plate is screwed to the deck and the hanger holds the axle. There are also rubber grommets or bushings linking the hanger and the base plate, which help the board movement and turn. The stiffer is the bushings or rubber grommets, the stiffer is the turn. The bushings also cushions. A kingpin bolt is used to hold the parts as one.
Skateboard wheels are made of polyurethane. They can come in different shapes and sizes to suit different types of skating, such as street or trick skating. Smaller sizes keep the deck closer to the ground, which requires less force to speed up or slow down. The hardness of the wheel also affects the overall performance. Hardness is usually measured by durometer 'A' scale. A very soft wheel is about 75a and a very hard wheel is about 101a.
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