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A Suntour Sprint rear derailleur A front derailleur manufactured by Suntour a pair of Suntour road brakes. In 1964, Suntour invented the slant-parallelogram rear derailleur. The parallelogram rear derailleur had gained prominence after Campagnolo's introduction of the "Gran Sport" in 1949, [7] [8] and the slant-parallelogram was an improvement of it that allowed the derailleur to maintain a ...
Fork: a mechanical assembly that integrates a bicycle's frame to its front wheel and handlebars, allowing steering by virtue of its steerer tube; Fork crown: the point at which the two blades of the fork meet below the steerer tube. Fork end: paired slots on a fork or frame at
The Suntour Swing Shock fork is based on a coil cantilevered swing set-up, and suspension is given by a coil spring which is located within the steerer tube and can be accessed from the top, [9] technology which was originally used for suspension on early motorcycles.
Adapter kits are available to enable use of a 1 in (25 mm) fork in a frame designed for a 1 + 1 ⁄ 8 in (29 mm) steerer tube or a 1 + 1 ⁄ 8 in (29 mm) fork in a 1 + 1 ⁄ 2 in (38 mm) frame. Manufacturers of high-end bikes, both road and mountain, have adopted tapered steerer tubes as the de facto standard, with a 1 + 1 ⁄ 8 in (29 mm) OD ...
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Most motorcycles today use telescopic forks for the front suspension. The forks can most easily be understood as simply encased long coil springs with hydraulic damping of excess spring energy. They allow the front wheel to react to imperfections in the road while isolating the rest of the motorcycle from that motion. Telescopic forks on a 1969 BMW
The stem is the component on a bicycle that connects the handlebars to the steerer tube of the bicycle fork. Sometimes called a goose neck, [1] a stem's design belongs to either a quill or threadless system, and each system is compatible with respective headset and fork designs:
The 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. [3] Patented by Englishman Ernest Earles in 1953, the design is constructed of light tubing, with conventional 'shock absorbers' mounted near the front axle.