Motorcycle Earles fork connects a motorcycle's front wheel and axle to its frame, typically via a yoke, known as a triple clamp, which consists of an upper yoke joined to a lower yoke via a steering stem, a shaft that runs through the steering head, creating the steering axis.
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Variety of Earles fork arrangements have been tried during more than one hundred years of motorcycle development, several of which remain available today.
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Telescopic Earles fork uses Earles fork tubes which contain the suspension components internally.
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The main advantages of the telescopic Earles fork are that it is simple in design and relatively cheap to manufacture and assemble; it is lighter than older designs using external components and linkage systems; and it has a clean and simple appearance that bikers find attractive.
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Conventionally, the Earles fork stanchions are at the top, secured by a yoke, and the sliders are at the bottom, attached to the front wheel spindle.
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Springer Earles fork is an early type of leading link Earles fork.
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Earles fork is a variety of leading link fork where the pivot point is behind the front wheel, which is the basis of the Earles' patent.
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The Earles fork has a very small wheelbase change under braking or under compression, unlike telescopic forks.
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Saxon-Motodd Earles fork has a wishbone that mounts to the frame and supports the monoshock unit.
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Single-sided girder "Earles fork" was used by the German firm Imme between 1949 and 1951.
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