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rattleCAD is a parametric 2D computer-aided design (CAD) software specific for bicycle design, [1] [2] in particular for design bicycle frame, [3] [4] developed by the Austrian cyclist and programmer Manfred Rosenberger since 2008. [5]
Bell Sports reacquired Bell Helmets in 2002, creating Bell Powersports. [8] In 2005, it reacquired Bell Racing Company, [9] and was itself merged into Easton-Bell Sports in 2006. [10] Vista Outdoor acquired the company in 2016. [11] In 2023, Vista Outdoor laid off numerous employees at Bell Sports facility in Scotts Valley, California.
Next, there is fixed (on the same shaft) a small horizontal wheel (hsiao phing lun) 3.3 inches in diameter and 1 ft in circumference, having 10 cogs 1.5 inches apart. (Engaging with this) there is an upper horizontal wheel (shang phing lun) having a diameter of 3.3 ft and a circumference of 10 ft, with 100 cogs, the same distance apart as those ...
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In 1895, Curtis H. Veeder invented the Cyclometer. [1] [2] [3] The Cyclometer was a simple mechanical device that counted the number of rotations of a bicycle wheel.[4] [5] A cable transmitted the number of rotations of the wheel to an analog odometer visible to the rider, which converted the wheel rotations into the number of miles traveled according to a predetermined formula.
Giro is an American manufacturer of snow and cycling helmets; snow and mountain-biking goggles; cycling and mountain bike apparel and shoes; and softgoods for cycling, skiing and snowboarding. The company was founded in 1985 by Jim Gentes and was headquartered in Scotts Valley, California. [1] It was acquired by Bell Sports in 1996. [2] [3]
Dave Weagle also developed the Split Pivot suspension and Delta System which are both used in cycling. Weagle's design currently holds multiple patents, including US7128329, [ 3 ] which is the world's first and remains to be the only published account on the method of mathematically and geometrically characterizing linkage chain/ belt-driven ...
The bell is a required piece of equipment in some jurisdictions. In the United Kingdom, bells on new bikes were compulsory until 1983, and again since 1 May 2011. [4]In New Jersey, a bicycle must be equipped with a bell or other audible device that can be heard at least 100 feet away, but not a siren or whistle.