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In-line skating is a fun, healthy activity for people of all ages. The various types of in-line skates include
recreational, aggressive, speed and hockey.
Each style of skate has a number of similar components.
Wheels
In-line skating wheels are usually made of polyurethane, a molded compound that allows
for different thickness and wheel hardness.
Size
Typical wheel diameters are from 70-80 mm
Larger wheels are designed for speed
Smaller wheels are designed for maneuverability
Styles
Recreational skate wheels
Recreational skates usually come with 70-72 mm wheels for a low, stable center of gravity
Midsize wheels are 72-76
Higher grade recreational skates come with larger wheels (up to 80 mm) to allow faster skating
Hockey wheels
The stability and maneuverability of smaller wheels are desirable to hockey players
Hockey wheels tend to be more tapered than other wheels for better stability in a turn
Fitness and cross-training wheels
Agressive wheels
Very small wheels (55-67 mm) are best for stunt skates
Wheels this size are also very hard to withstand grinding and jumping
Speed wheels
These wheels are larger (78-80 mm) and to assist acceleration and energy return
Race wheels have the thinnest profile of all wheels for more speed but less stability
Changing your wheels
To avoid excessive, uneven wear, they need to be rotated at least once a week, or after every use for agressive
skaters
Wheels should be changed when they show excessive wear on all sides. Skating with worn wheels is unsafe.
Hardness
Wheel hardness is measured in durometers. Lower numbers indicate a softer wheel and higher
numbers indicate a harder wheel.
Durometer is denoted by the suffix "A" (example - 80A)
The typical recreational in-line skate wheel is 78A or 82A
Softer wheels are good for winter and provide a softer ride.
Harder wheels are better in the summer when the pavement is hot and the wheels tend to soften.
Frames
Frames hold skate components in place
Most recreational frames are made of aluminum alloy or nylon and fiberglass composites.
Make sure the frames you select are designed for the type of skating you plan to do
Metal frames are stiffer, faster, and lighter, but typically cost more
Uppers
Materials
Recreational skate uppers are usually made from synthetic materials that offer durability, comfort and
breathability
Hockey skates are usually made of leather composites
Liners
Many boots contain a cushioning liner usually made of a foam material
Sometimes reinforced along the toe and sides for protection (in hockey skates) or increased stability
Hard shell
Constructed of molded plastic and similar to a ski boot
The lower half covers and protects the foot
The upper half wraps around and supports the ankle
The two halves are connected with a hinge system that allows the ankle and boot to flex forward naturally
Soft boot
Made with an external (and sometimes internal) plastic cuff to provide support, like a hiking boot
Provide a good fit and performance
Very breathable and lightweight
Generally secured by laces
Bearings
Bearings are the seven or eight balls at the center of each wheel
Each bearing has an ABEC rating that indicates the precision of their manufacturing
The higher the rating, the more precise the manufacture and the better the performance and speed
The general ABEC range is ABEC-1, ABEC-3, ABEC-5
Bearings are either serviceable or non-serviceable
Serviceable bearings have a metal shield with a removable "C" ring, or a plastic/rubber
type removable shield. These may be taken apart to be cleaned, lubricated or replaced.
Non-serviceable bearings have a metal shield that protects them. These only need to be
wiped off with a clean cloth.
Bearings don't need to be cleaned after every use, but if they become wet, they should be cleaned and dried
Never lubricate the outside of a bearing because that will attract dirt and contaminants
Brakes
Most manufacturers offer different braking systems
The most common form of braking system is a pad or cylinder on the rear wheel that stops movement by applying
pressure on the heel
Hockey skates and speed skates normally do not include braking systems
Most brake pads have a "wear line" that indicates how much performance is left in the brake. The brake pad
should be replaced before this wear line is reached.
Some manufacturers do offer mechanical braking systems that make stopping easier to learn
Closures
There are two primary forms of closure systems on in-line skates
Buckles
Found mostly on recreational skates
Skates with buckle closures are the quickest to put on and take off
The number of buckles varies from 2 to 5
Laces
Similar to regular shoe laces
Less expensive than buckle closures, and offer a uniform closing