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2. Specialized Bicycle Components - Wikipedia

   en.wikipedia.org/wiki/Specialized_Bicycle_Components

   [5] [6] In 1981, the company introduced its first two bikes: the Sequoia, a sport-touring design, and the Allez, a road bike. [7] Specialized also introduced the first major production mountain bike in the world, the Stumpjumper, in 1981. Like the Sequoia and Allez, the Stumpjumper was designed by Tim Neenan and based on an early Tom Ritchey ...

3. Bicycle brake - Wikipedia

   en.wikipedia.org/wiki/Bicycle_brake

   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.

4. Mafac - Wikipedia

   en.wikipedia.org/wiki/Mafac

   MAFAC's rubber brake hoods, originating in the late 1940s, had built-in adjusters, allowing adjustment of the brakes while riding. The center-pull brakes were designed to clear fenders, front rack mounts, handlebar bags, and large tires. This made MAFAC brakes one of the most popular models from the late 1950s through the 1970s.

5. SureStop - Wikipedia

   en.wikipedia.org/wiki/SureStop

   [1] [11] It was designed to prevent riders from flipping over their handlebars when applying the front brake. [1] 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 ...

6. Specialized Stumpjumper - Wikipedia

   en.wikipedia.org/wiki/Specialized_Stumpjumper

   A 2008 Specialized Stumpjumper with full suspension. The Specialized Stumpjumper is a mountain bike produced by Specialized Bicycle Components. When it was first produced in 1981, the Stumpjumper was the first mass-production mountain bike. The Stumpjumper is still in production, although its design has changed significantly since it was first ...

7. S-cam - Wikipedia

   en.wikipedia.org/wiki/S-cam

   An S-cam is part of a braking system used in heavy vehicles such as trucks and wheeled machinery. It consists of a shaft, usually around 4 to 25 inches long, turned at one end by means of an air-powered brake booster and lever with an S-shaped cam at the wheel end.

8. Drum brake - Wikipedia

   en.wikipedia.org/wiki/Drum_brake

   Drum brake (upper right) with the drum removed (lower left, inside facing up), on the front of a Ford Falcon Sprint A rear drum brake on a Kawasaki W800 motorcycle. A drum brake is a brake that uses friction caused by a set of shoes or pads that press outward against a rotating bowl-shaped part called a brake drum.

9. ECE Regulation 90 - Wikipedia

   en.wikipedia.org/wiki/ECE_Regulation_90

   [1] R90 calls for linings to be tested for speed sensitivity, cold performance, and replacement Brake pads and brake shoes are permitted to deviate from the frictional characteristics of their original-equipment counterparts by not more than 15%. [2] In addition, R90 requires tamper-evident, sealed packaging for replacement brake linings. [1]