|
A Goldsprint is a bicycle rollers racing and social event. Riders on stationary bikes compete against each other in front of spectators. While roller racing has a history going back to the beginning of cycling,〔(【引用サイトリンク】 Bike Cult Roller Racing History )〕 Goldsprints are fairly new and closely related to bicycle messenger culture. It began in Zurich, Switzerland as part of the 1999 Cycle Messenger World Championships.〔(【引用サイトリンク】 1999 Cycle Messenger World Championships )〕〔(【引用サイトリンク】 1999 Cycle Messenger World Championships Video )〕 At which point the name and the event were founded by Adrien Weber, a passionate cyclist and owner of the TurbinenBräu brewery in Zurich, Turbinenbräu. The event was named after their beer brand "Gold-Sprint".〔(【引用サイトリンク】 Gold Sprint Beer – Turbinenbräu Brewery, Zurich )〕 As opposed to traditional roller racing, where riders have to balance, Goldsprints use forkstands so that the riders don't have to balance, only pedal as fast as they can. This provides an easy way for anyone to try Goldsprints. However some Goldsprints groups are now adding traditional rollers, without forkstands, to their equipment to challenge the advanced riders. As with roller racing in general, the rollers are in turn attached to a device that measures distance and can display the progress of the riders. Goldsprints can also feature modern 2D and 3D visualizations. == Technology == There are two varieties of Goldsprints system: Electronic * Used for large crowds. Digital projectors and screens can project the graphical dial as big as needed. * Electronically driven, with a tachometer sensor (typically a reed switch, hall effect sensor or a photo-interrupter), and visualizations digitally projected on a screen; thus eliminating the inaccuracy of human response time and stopwatches. * Compact and portable. Team Beer (Portland, Oregon, USA) transports their entire system (including two bikes) via a Metrofiets cargo bike. * Cost effective. Whether you are building a system from scratch or buying a turn key it is considerably cheaper/less time-consuming to build or buy than mechanical systems. * Customizable interfaces. Software can be changed and re-skined. Giving homage to Barelli rollers, most interfaces include a clock face with primary colors for the clock arms. Mechanical * Can determine placing, but an electronic system (and electricity) is still required to show actual times. Able to operate without any external power (i.e. electricity), however if times are recorded by stopwatch. * Driven mechanically by custom belts and pulleys, and drives a physical clock face or other display which shows rider progress. * Tend to be large and heavy, but stable and simple and were the only systems prior to the spread of affordable microcomputers. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Goldsprint」の詳細全文を読む スポンサード リンク
|