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According to a study a human at 70 kg (150 lb) requires about 60 watts to walk at 5 km/h (3.1 mph) on firm and flat ground, [6] while according to a calculator at kreuzotter.de the same person and power output on an ordinary bicycle will travel at 15 km/h (9.3 mph), [7] so in these conditions the energy expenditure of cycling is about one-third ...
Due to front fork suspension, modern mountain bikes—as opposed to road bikes—tend to have slacker head tube angles, generally around 70°, although they can be as low as 62° (depending on frame geometry setting). [3] At least one manufacturer, Cane Creek, offers an after-market threadless headset that enables changing the head angle. [4]
The race's most famous victor is Tyler Hamilton who got his fourth victory in the race in 2006 in a time of 52:21, [2] [3] beating out Ned Overend by 2:20. Jeannie Longo held the women's record at 58:14 prior to the records being reset in 2022, while Tom Danielson owned the men's record of 49:24 prior to the records being reset in 2022.
USA Cycling is the official governing body for all disciplines of competitive cycling in the United States, including road, track, mountain bike, BMX, and cyclo-cross. The organization has a two-part mission: To achieve sustained success in international cycling competition and to grow competitive cycling in America.
Naismith's rule helps with the planning of a walking or hiking expedition by calculating how long it will take to travel the intended route, including any extra time taken when walking uphill. This rule of thumb was devised by William W. Naismith, a Scottish mountaineer, in 1892. [1] [3] [4] A modern version can be formulated as follows:
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The top can be accessed by either riding up singletrack, or by shuttling via the road. Australia's first UCI Mountain Bike World Cup was held in Cairns in 1994–1995. followed by the World Mountain Bike Championships in 1996 and again in 2017, placing Cairns on the map as the premier Australian mountain bike destination. [citation needed]
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