Wheels
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Inline skates usually come with 70-76 mm wheels providing a low, stable centre of gravity.
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Fitness Inline skates come with larger diameter wheels (up to 80 mm) to allow for faster skating.
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In-line skating wheels are usually made of polyurethane, a molded compound that allows for different levels of durability and grip.
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Hardness of Wheels
- 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.
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Frames
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Frames hold skate components in place.
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Most recreational frames are made of aluminum alloy or nylon and fiberglass composites.
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Make sure the frames you select are designed for the type of skating you plan to do.
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Metal frames are stiffer, faster, and lighter, but typically cost more.
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Materials
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Recreational skate uppers are usually made from synthetic materials that offer durability, comfort and breathability.
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Hockey skates are usually made of leather composites
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Liners
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Many boots contain a cushioning liner usually made of a foam material
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Sometimes reinforced along the toe and sides for protection (in hockey skates) for increased stability.
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Hard Shell
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Constructed of molded plastic and similar to a ski boot
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The lower half covers and protects the foot
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The upper half wraps around and supports the ankle
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The two halves are connected with a hinge system that allows the ankle and boot to flex forward naturally
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Soft Boot
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Made with an external (and sometimes internal) plastic cuff to provide support, like a hiking boot
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Provide a good fit and performance
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Very breathable and lightweight
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Generally secured by laces
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Bearings
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Bearings are the seven or eight balls at the center of each wheel
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Each bearing has an ABEC rating that indicates the precision of their manufacturing
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The higher the rating, the more precise the manufacture and the better the performance and speed
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The general ABEC range is ABEC-1, ABEC-3, ABEC-5 although bearings are not always measured in ABEC's.
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Bearings are either serviceable or non-serviceable
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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.
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Non-serviceable bearings have a metal shield that protects them. These only need to be wiped off with a clean cloth.
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Bearings don't need to be cleaned after every use, but if they become wet, they should be cleaned and dried
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Never lubricate the outside of a bearing because that will attract dirt and contaminants.
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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.
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Closures:
There are two primary forms of closure systems on in-line skates.
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Buckles
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Found mostly on recreational skates
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Skates with buckle closures are the quickest to put on and take off
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The number of buckles varies from 2 to 5
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Laces
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Similar to regular shoe laces
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Less expensive than buckle closures, and offer a uniform closing
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Allows for more adjustment variations
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