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Specialized continues to produce bikes under the Stumpjumper name, including both hardtail and full-suspension models. [8] An original Stumpjumper is displayed in the Smithsonian Institution in Washington, D.C. [5] [9] Mike Sinyard moved the firm to Morgan Hill, CA in 1984. [10] In 1989, Specialized introduced the Epic, the world's second mass ...
The original bike had a modified BMX stem and handlebars based on Magura motorcycle handlebars. [4] The bike was equipped with 15-speed [5] Suntour ARX GT gears, originally designed for use on road bikes, and the Stumpjumper also featured Mafac cantilever brakes and a TA Cyclotourist chainset, both designed for touring bikes. [4] It had no ...
A return spring slackens the cable when the brake lever is released, no adjustment is required, and the brake becomes more forceful when wet. Husted said his inspiration was the band brake used on industrial machinery. [50] The Yankee bicycle only included a rear brake, but that met U.S. Consumer Product Safety Commission standards.
A Sturmey-Archer three speed hub, the most common kind of Sturmey-Archer gear. Sturmey-Archer was a manufacturing company originally from Nottingham, England.It primarily produced bicycle hub gears, brakes and a great many other sundry bicycle components, most prominently during its heyday as a subsidiary of the Raleigh Bicycle Company.
Once the brake pads make contact with the rear wheel, the Slidepad slides forward, which pulls a cable that is connected to the front brakes. [1] Similar to the anti-lock brake system in cars, the mechanism prevents the front wheel from locking, no matter how hard the brake is pressed or how slippery the road conditions are.
The type of brake system in use only affects trucks and large mass vehicles, which cannot supply enough force to match the static frictional force. [1] [Note 2] The braking distance is one of two principal components of the total stopping distance. The other component is the reaction distance, which is the product of the speed and the ...
On automobiles, disc brakes are often located within the wheel A drilled motorcycle brake disc. The development of disc-type brakes began in England in the 1890s. In 1902, the Lanchester Motor Company designed brakes that looked and operated similarly to a modern disc-brake system even though the disc was thin and a cable activated the brake pad. [4]
A track bicycle or track bike is a form of fixed-gear bicycle optimized for racing at a velodrome or at an outdoor track. Some road racing and club cyclists use a fixed-gear bicycle for training during the winter months, generally using a relatively low gear ratio, believed to help develop a good pedalling style. [5]