The ollie is a fundamental skill in skateboarding and is used to leap onto, over, or off obstacles, or over gaps of unfriendly terrain such as grass or stairs. As so many tricks depend on it - for example the kickflip and heelflip - the ollie is often the first skill to be learned by a new skateboarder. The ollie typically takes considerable practice to learn.
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.
The wheels of a skateboard are usually made of polyurethane, and come in many different sizes and shapes to suit different types of skating. Larger diameters (55–85 mm) roll faster, and move more easily over cracks in pavement and are better for transition skateboarding. Smaller diameters (48–54 mm) keep the board closer to the ground, require less force to accelerate and produce a lower center of gravity which allows for a better response time, but also make for a slower top speed and are better for street skateboarding. Wheels also are available in a variety of hardnesses usually measured on the Shore durometer "A" scale. Again like car tires, wheels range from the very soft (about Shore A 75) to the very hard (about Shore A 101). As the A scale stops at 100, any wheels labeled 101A or higher are harder, but do not use the appropriate durometer scale. Some wheel manufacturers now use the "B" or "D" scales, which have a larger and more accurate range of hardness. Modern street skaters prefer medium-sized wheels (usually 51–54 mm), as small wheels with lighter trucks can make tricks like kickflips and other flip tricks easier by keeping the center of gravity of the skateboard closer to the deck, thus making the deck easier to spin. Street wheels are harder (A 100/A 101). Vertical ramp or "vert" skating requires larger wheels (usually 55–65 mm), as it involves higher speeds. Vert wheels are also usually slightly softer (A 98/ A 99), allowing them to maintain high speed on ramps without sliding. Slalom skating requires even larger wheels (60–75 mm) to sustain the highest speeds possible. They also need to be soft and have better grip to make the tight and frequent turns in slalom racing. Even larger wheels are used in longboarding and downhill skateboarding. Sizes range from 65 mm to 100 mm. These extreme sizes of wheels almost always have cores of hard plastic that can be made thinner and lighter than a solid polyurethane wheel. They are often used by skateboard videographers as well, as the large soft wheels allow for smooth and easy movement over any terrain.

The official record for the highest flat-ground ollie is 45′ (114.3cm) by Aldrin Garcia during the “Maloof High Ollie Challenge,” held on the 15th of February, 2011. You can watch the movie here. However, a groundbreaking moment in the lore of the ollie will always belong to Danny Wainwright’s ex record of 44.5′ (113.03cm, ELEMENT-HIGHEST OLLIE CONTEST Feb.6th,2000.) Reese Forbes, a competitor of Danny’s in this contest, was also well-known as a master of the ollie.

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.
Skateboards are for people who want to try something new and extreme.  If you have not given it a shot and you want to challenge yourself then you should try skateboarding.  It is a fact that there are certain risks that go along with skateboarding.  However, skateboarding can teach you to balance and it is also a great way of losing weight.  Skateboarding can also help you in making friends while you are in the park.  With skateboarding, you can learn perseverance and build confidence.
Choosing a skateboard deck is a great place to start when building a complete skateboard. Unless you have experience riding a shaped board - something a little more retro or unusual, we recommend you start with a popsicle shape. CCS carries over 60 different skateboard deck brands that sell this popular popsicle shape. If you have questions on what size you should ride or have any other questions about building a complete, we recommend you check out our Skateboard Buyer’s Guide. Here, you’ll find helpful how-to’s for choosing a skateboard decks, skateboard trucks, skateboard wheels, skateboard bearings, and skateboard components. This guide explains every part of a skateboard and helps you choose which sizes and styles to best suit your needs.
To get higher ollies, I would suggesting resting your back foot on the very end of the tail and the front foot in the middle of the deck to allow for more slide. Popping as hard as you can and catching your board in the groove of the nose with you ankle practically resting in the groove will level the board out in the air. after this initial movement slide you feet back to the bolts on the tail and nose to ensure a clean landing.