Each skateboard wheel is mounted on its axle via two bearings. With few exceptions, the bearings are the industrial standard "608" size, with a bore of 8 mm (or 10mm depending on the axle), an outer diameter of 22 mm, and a width of 7 mm. These are usually made of steel, though silicon nitride, a high-tech ceramic, is sometimes used. Many skateboard bearings are graded according to the ABEC scale. The scale starts with ABEC1 as the lowest, followed by 3, 5, 7, and 9. It is a common misconception that the higher ABECs are better for skateboarding, as the ABEC rating only measures tolerances, which do not necessarily apply to skateboards. Bearing performance is determined by how well maintained the bearings are. Maintenance on bearings includes periodically cleaning and lubricating them . Bearings that are kept unmaintained have their performance greatly lowered and will soon need to be replaced. Bearing cleaning kits are commonly available on the market. The ABEC rating does not determine the speed or durability of a skateboard bearing. In particular, the ABEC rating says nothing about how well a bearing handles axial (side-to-side) loads, which are severe in most skateboard applications. Many companies do not show the ABEC rating, such as Bones Bearings, which makes bearings specifically for skateboarding, often marketed as "Skate Rated". Each bearing usually contains 7 steel or ceramic bearing balls, although other configurations are used as well.
It wouldn’t be until the early 1980’s however, that a man named Rodney Mullen fully developed the skateboard ollie and brought it into vogue. Competing in the Rusty Harris contest in Whittier, California in 1982, Rodney Mullen used a back and forth motion on his skateboard to strike the back end of the board on the ground and using the front end to level the board out in mid-air – all from a flat surface. The audience’s jaws collectively hit the ground.
Mounting hardware is a set of eight 10-32 UNF bolts, usually an Allen or Phillips head, and matching nylon locknuts. They are used to attach the trucks (and any type of risers) to the board. Some sets have one different colored bolt to show which side is the nose of the skateboard. Hardware is available in various lengths for mounting trucks with or without risers.
Rails (or ribs), are narrow strips of plastic or metal that are attached under the deck lengthwise along the edges. They are used for additional grip for grabs, and to enhance sliding while protecting the deck's graphics at the same time. Rails also provide a more consistent feel for slides, as the slide of a regular skateboard will suffer from the wear of the paint or varnish on the bottom of the board. Although rarely used anymore, they are useful for experienced skaters that are capable of grabs.
Learn how to ollie off of a ramp: Ramps are a LOT of fun to ollie off of, but they are also a great way to break something if you don't know what you're doing! I have a cousin who almost lost his arm because of how nastily he broke it while ollying off a ramp. But don't let that scare you - if you know what you're doing, ollying off ramps is great!
Almost no one lands an ollie on their first try. Repetition is the most important part of learning how to ollie. Once you learn how to do an ollie, you can try doing them while rolling. Learning is one of the funnest parts of skateboarding. After you learn ollies, you can move onto 180s, Pop Shove-Its, and flips. Soon a whole world of tricks will open up.
One foot on the tail, (by foot I mean the ball of the foot which is just behind the big toe) the other foot is about an inch behind the bolts(screws) for the front truck. Basically, the back foot quickly pushes the tail down, and right when the tail of the board strikes the ground, the back foot jumps up… the tail of the board will follow up with the foot when the front foot slides forward slightly, which pivots the tail of the board upwards. Since the front truck comes off the ground first, getting the back truck up is the trick.
The DreadXBoards Concave Skateboard has Plastic Deck Injection Molded for excellent durability. It features Urethane Wheels 59mm 78a, aluminum trucks, and Abec 7 Bearings. It is completely assembled and is ready to ride. It is perfect for beginners or experienced riders. It can load up to 185 lbs. It is great for kids and adults. It has an excellent rating of 4 on Amazon.
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