En New/images/spacer by Mediterranean Interiors

Terminology around inline skate setup, customization, and general inline skate tuning can vary depending on the skating discipline. For instance, to an urban skater, a big-wheel setup typically means either a four-wheel configuration with wheels larger than usual (e.g. 4x90mm), or a triskate with three wheels, usually 110 mm or larger. In contrast, for aggressive skaters, anything with wheels 80 mm or larger qualifies as a big-wheel setup. Meanwhile, for marathon skaters, large wheels are the standard. To them, a triskate with wheels smaller than 125 mm is considered small and unconventional. Labels such as "big-wheel" and "triskate" refer not just to the wheels but also to the frame and boot. For example, a triskate with 125 mm wheels requires a more robust frame and a supportive boot to handle the increased leverage and speed. Generally, a wheel setup refers to both the number and size of wheels on a skate. A 4x80mm setup, which uses four wheels each measuring 80 mm in diameter, is common for recreational skates. A 3x110mm setup, featuring three 110 mm wheels, has become popular among urban skaters in the 2020s. There are also five-wheel configurations such as 5x80mm, which were widely used in the speed skating scene during the 1990s but are now primarily associated with wizard skating. Beyond count and size, wheel setups also differ in how the wheels are arranged, resulting in distinct skating experiences even with identical wheel numbers and sizes. For example, when all four wheels in a 4x80mm setup touch the ground evenly, it’s called a flat setup or flat configuration. When the front and rear wheels are slightly raised, forming a banana-like curve in the profile of the wheel set, it’s known as a classic rockered setup. Another variation is the hi-lo setup, where progressively smaller wheels are installed from rear to front (for example, 80-78-76-74 mm). In this setup, all four wheels remain in contact with the ground, but the heel sits higher than the toe, simulating a slight forward lean or flex. A skater may customize a single boot with different wheel setups depending on the intended use. For example, a short frame with four soft 80 mm wheels might be mounted for indoor skating. On another day, the same boot could be fitted with a longer frame using three harder 110 mm wheels for outdoor long-distance sessions. Some frames are designed to support multiple configurations. The Endless 90 frame, for instance, is well known for accommodating both a 4x90mm setup and a 3x110mm setup. Even without changing the frame or boot, swapping wheels with different hardness, rebound, diameter, or profile can significantly alter the skating experience. Regardless of the setup, skaters must rotate their wheels periodically to maintain even wear and preserve the intended wheel profile. For example, the front wheel often wears out more quickly, which can gradually shift a flat setup into a front-rockered one, if rotations are neglected. In some cases, specific rotation patterns take advantage of natural wear to achieve a particular profile, such as the hi-lo configuration.

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