The rider begins the ollie by crouching and jumping directly upward. As the rider begins to leap, instead of lifting the feet from the board, he/she "pops" the tail by striking it against the ground, which raises the board nose-first. Maintaining contact with the board, the rider lifts the front leg and bends the front ankle so that the outer or top side of the shoe slides towards the nose of the board. The friction between the shoe and the board's grip tape helps to guide and pull the board upward, while the rear foot only maintains slight contact with board to help guide it. When nearing the peak of the jump, the rider lifts the rear leg and pushes the front foot forward, which levels the board and keeps it in contact with the back foot.

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 [1]. 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.
Just before a skater performs an ollie, there are three forces acting on the skateboard. One of these forces is the weight of the rider, shown here with two red arrows. Another is the force of gravity on the board itself, shown with a small black arrow. Finally, blue arrows show the force of the ground pushing up on the skateboard. These three forces balance out to zero. With no net force, the skateboard doesn't accelerate, but rolls along at a constant speed.

Ohderii Skate Skateboards are made of a High-quality Plastic deck which will not easily break even when pressed over by a car.  It comes with 3.125″ all aluminum alloy trucks, 59mm 78A super smooth PU wheels and ABEC-7 stainless steel bearings.  It is ready to use and you can easily store it in your backpack.  It has an average rating of 4.5 on Amazon.


Slide your front foot forward – You remembered to angle your front ankle right? Good, now use that to move your board forward in one big rolling motion, and bring your back leg up into your chest. All of this is done at the same time, but it takes practice to get the timing down. Don’t slide your foot out too early though, or you’ll end up with a pretty weak jump, but also, don’t slide it out too late, or it won’t get leveled and you’ll end up in the pavement. Come to think of it, just do it perfect the first time and everything will be great.
Go for the low truck profile if you want to obtain additional stability when you do flip tricks. It also works well for small wheels. The mid-sized trucks are good for all-around use, especially in streets and parks. You can also choose the high-sized trucks that are good for carving and cruising, which is the reason why they are perfect for huge wheels.
Smile and wave – Feel free to look around at all the other people at the skatepark that stood by and marveled at your new-found accomplishments (all one of them). I’m sure by this point you’ll be picking up roses that are being thrown at your feet, and taking a well-deserved bow as they begin to chant your name. Take it all in, thank the crowd for their undying affection, and then go get a snow-cone. You deserve it, champ.
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