A skateboard is a small piece of wood in the shape of a surfboard with
four wheels attached to it. A single person rides the skateboard, guiding
the movement with his feet. While some use skateboards as transportation
over short distances, most are used to perform stunts.
Skateboards consist of three parts: the deck (the actual board), the truck
(a component usually made of metal that holds the wheels to the deck), and
the wheels. The average skateboard deck is about 32 in (81.3 cm) long, 8
in (20.3 cm) wide, and is a little less than 0.5 in (1.3 cm) thick. The
deck has a defined nose and tail with a concave in the middle. Skateboard
wheels are usually made of
and range in width from about 1.3-1.5 in (3.3-3.8 cm). While nearly all
skateboards have similar shapes and characteristics, their dimensions vary
slightly based on use. There are skateboards built for speed, slalom, and
Since skateboards first came into widespread use in the 1960s, their
popularity has come in waves. Newfound interest is usually related to
technical innovation, though a core constituency of skateboard enthusiasts
has always remained.
Though there is unconfirmed evidence that a skateboard-like apparatus
existed as early as 1904, the more commonly accepted predecessor to the
skateboard was created in the 1930s. In Southern California, a
skate-scooter was made out of fruit crates with wheels attached to the
bottom. This evolved into an early skateboard that was made out of 2×4 ft
(61×121.9 cm) piece of wood and four metal wheels taken from a scooter or
roller skates. This version of the skateboard featured rigid axles which
cut down on the board’s maneuverability.
Recognizable skateboards were first manufactured in the late 1950s. These
were still made of wood and a few were decorated with decals and artwork.
Skateboards became especially popular among surfing enthusiasts, primarily
in California. Surfers practiced on skateboards when the ocean was to
rough, and they soon became known as “sidewalk surfers.” One
of the first competitions was held for skateboarders in 1965. While
skateboards were popular through most of the 1960s, riders were not
respected and the activity was banned in some cities. The first wave of
skateboard popularity was over by 1967.
Five years later, in 1973, there was a renewed interest in skateboards
when wheels made of polyurethane were introduced. These early polyurethane
wheels were composites of sand-like material that was formed into a wheel
with an adhesive binder under extreme pressure. With the advent of
polyurethane wheels, boards became easier to control and more stunts were
Also in the 1970s, skateparks were introduced. Skateparks were specially
designed places that catered to skateboarders. They had obstacle courses,
pools (empty bowls, usually below ground level like an empty pool), and
pipes (large, circular type) to challenge skateboard riders. With
skateparks also came more competition, recognition, and sponsorship.
Skateboarders sometimes decorated the bottom of their
boards with logos of their sponsors. By the end of the 1970s,
skateboarding again became controversial after it became identified
antisocial behavior. Due to the amount and severity of the injuries,
skateparks closed in fear of lawsuits and the sport returned underground.
When popular interest in skateboarding briefly re-emerged in the
mid-1980s, it was not due to any particular technical innovation, though
skateboard manufacturers were always experimenting with different
materials in the production of decks. Instead, skateboarding videos
featuring skateboarders performing extremely difficult and dangerous
stunts using ramps, stairs, and even handrails generated new interest in
the sport. At the same time skateboard art had also emerged. The bottom of
skateboard decks were now elaborately decorated with logos and other
designs. Continued resistance to skateboarders led to another down-turn in
popularity at the end of the 1980s, though not as severe as previous
By the middle of the 1990s, skateboarding again became popular mainly due
to high-profile exposure like ESPN and MTV’s X-Games competitions.
These televised events of “extreme sports” showed the best
of many kinds of skateboarding. Skateboarding was regarded as the first
extreme sport. Though skateboarding was still banned or regulated in many
communities, such exposure gave the sport an air of legitimacy. It is not
as dangerous a sport as many think. In 1997 there were 8.2 million
skateboards and around 48,186 reported injuries, 0.006% of which resulted
in hospitalization. Compared to a more commonly accepted sport like
basketball—which had 4.5 million participants in 1997 and 644,921
reported injuries (0.124% resulting in hospitalization)—the fear
Skateboard art also continued to evolve. Art was based on street trends
and whatever was hot at the moment: comics, bands, logos, and original
art. In the mid-1990s, deck manufacturers would introduce an average of
six board designs per month, making only 1,000 of each. While skateboard
manufacturers experimented with different thicknesses of veneers that made
up decks, little changed in the actual manufacture of skateboards at the
beginning of the twenty-first century.
Most skateboard decks are made of glue and wood (usually maple), but some
are made of composites, aluminum, nylon, Plexiglas, fiberglass, foam, and
other artificial materials. They are usually decorated by screenprinting.
Skateboard trucks are usually made of aluminum or other metal (steel,
or another alloy), though a few are made of nylon. Skateboard wheels are
made of polyurethane (a synthetic rubber polymer).
While some low-end skateboards are assembled by manufacturers, most
components are sold separately to consumers who put them together on their
own. To assemble a skateboard, the consumer also needs ball bearings
(usually full precision and made of metal) and a piece of grip tape. Grip
tape comes in a large piece bigger than the deck and looks like a piece of
sandpaper. It is put on the top of the deck to provide traction.
Skateboard decks, trucks, and wheels have different designs depending on
how the skateboard will be used. Decks differ in their angle of concavity
and the shape of the nose and tail. Manufacturers design their own boards
with their own signature styling. They use templates to impose their
design on the shape of the board. Companies that manufacture decks and
wheels also make their products stand out by their individual art designs.
While some of this artwork is created on computer, some is also done by
The Manufacturing Process
1 A piece of maple wood undergoes a treatment that allows it to be
peeled into veneers (thin sheets of wood) that are then delivered to the
deck factory. They are stored in a climate-controlled environment to
ensure the moisture content is optimized. Too much moisture is not good
for the manufacturing process.
2 Each veneer is then put into a glue machine by hand. This machine
evenly coats each veneer with a water-based glue specially designed for
3 After being coated, the veneers are numbered and stacked according to
grain and level of use. Each skateboard is made of seven layers of
veneer. The first, second, fourth, sixth, and seventh layers have the
grain running from the nose to the tail of the board. The third and
fifth have the grain running from side to side. These stacks are put
into a two-part mold inside a hydraulic press. The mold creates the
nose, concave, and tail of each skateboard. Each press makes five to 15
decks at one time. The resulting laminate sits in the press for anywhere
from a few minutes to a few hours. The longer the time, the more
naturally the wood and glue set.
4 After the laminates are removed from the press, eight holes for the
truck mount are drilled by hand with a drilling rig.
5 A worker—called the shaper—takes the newly drilled board
and, with a previously made template, hand-shapes each deck with a band
saw. The deck is hand sanded and coated with a paint or sealant.
6 After the deck is dry, a decorative design is imposed by
screenprinting. Each color is hand painted separately on a custom
screenprinting machine. The decks are then dried and readied for
7 With one of three materials (wood, plastic, or clay) a master truck
pattern is hand tooled. This is used to make a match plate. With the
plate, a sand mold is made for making the actual truck. A sand mold uses
sand as its primary mold material, usually with clay and water. The
material is packed around the plate then removed.
8 Aluminum ingots are heated to 1,300°F (706.7°C) in a
furnace, reducing them to a liquid. This liquid aluminum is poured by
hand into the sand mold’s pouring basin sprue hole and through
runners into the gate (the actual opening of the mold’s cavity).
The sand mold has the truck’s axles in place before the aluminum
is poured in. The mold is allowed to cool, then broken by hand and the
parts removed. These pieces include the kingpin knob, pivot cup,
baseplate, and riser pad. Using machines, a worker heat-treats each
part. The parts are then grinded, polished, and drilled.
9 Finally, each truck is hand-assembled with kingpins, brushings,
grommets, washers, and nuts and prepared for shipment.
l0 In metering machines, two polyurethane components are heated and
mixed together in a certain ratio. High-quality polyurethane wheels are
mixed together at elevated temperatures (lesser quality wheels are mixed
at room temperature). This step creates a liquid. If the wheels are to
be colored, the pigment is now added and the resulting mixture is poured
into aluminum molds via a mix chamber (if the urethane is high quality
it is heated again) and allowed to harden into a solid.
11 The wheel is removed by hand and cured on trays. Many wheel molds are
running at the same time on a conveyor system and 300 wheels can be made
12 The resulting wheel slug is cut to shape by hand on a lathe. With a
blade, the sidewalls (also known as the radius) and tread (riding
surface) are cut into the wheel.
13 If the wheel is to be decorated, this semi-automated process is next.
Digital artwork is converted to film to make a photo-etched print plate.
The image on the plate is printed on the wheel with a pad printing
machine. The silicone pad is on an inked printing plate and transfers
the images to the wheels. Wheel printing that incorporates more than one
color goes through one pad for each color. The wheels are then packaged
14 After purchasing/manufacturing the three separate components, the
consumer or manufacturer must put them together. Grip tape is needed to
provide traction on the board. Grip tape comes in a large rectangular
sheet, bigger than the actual deck. It is smoothed over by hand to get
rid of any air bubbles. Using a file or other flatedged object, the edge
of the board under the grip tape is defined. With a safety knife or
scissors, the extra parts of the grip tape are removed.
15 With an awl or an other sharp, pointed object, the eight truck holes
are exposed through the grip tape, and the mounting bolts are placed.
The truck is then installed over the bolts and tightened with the
16 One set of bearings and a spacer are placed on each of the four truck
axles. The wheel is put on next, flush with the bearings and spacer. The
other set of bearings is put in the wheel. The wheels are secured with
washers and a lugnut. The skateboard is now ready to be ridden.
When the components are purchased separately, the consumer must follow all
instructions for his own safety. All screws must be
tightly secured so that they will continue to hold the trucks in place while stunts are being preformed. Manufacturers continually check the finished boards to see that they are secure and meet safety requirements.
In the production of wheels, any polyurethane left over is sent to a
landfill. At the present time, it is too costly to recycle.
Decks might be made of more artificial materials inside a wood exterior.
One deck of the future has Nomex honeycomb at its core, with Kelver as one
of the structural materials. Even with traditional wood decks the number
of veneer layers may increase or decrease. The most noticeable difference
might be the art on the bottom of the skateboard. Instead of being applied
with a screenprinting process, decks might use a sublimation printing
Wheels may change in their shape, color or decoration, but not much will
improve on polyurethane itself. If a new material comes on the market,
this may affect how wheels are manufactured.
Where to Learn More
Philadelphia: Running Press, 1976.
Brower, Steven, and John Gall. “Skateboard Art.”
50, no. 6 (November-December 1996): 52.
Stoughton, Stephanie. “A Wheel Challenge to Succeed: Manufacturer
Finds Momentum is Critical.”
(May 28, 1998).
(June 10, 2000).
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