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His FIST-based protocol of road and triathlon bicycle fitting [4] was the first among today's dynamic bike fit protocols, and he coined the bicycle geometry terms "stack" and "reach" - corresponding, respectively, to the vertical and horizontal distance between the bottom bracket center and head-tube top; these terms helped normalize bike ...
Bicycle performance is measurable performance such as energy efficiency that affect how effective a bicycle is. Bicycles are extraordinarily efficient machines; in terms of the amount of energy a person must expend to travel a given distance, cycling is calculated to be the most efficient self-powered means of transportation .
The 'diamond' frame's central, horizontal top bar forces the rider to swing a leg over the bicycle's seat. A Triumph step-through, ladies', or open frame Dursley Pedersen bicycle circa 1910 A penny-farthing photographed in the Škoda Auto Museum in the Czech Republic A Brompton folding bicycle Bicycle in Victorian Plymouth, England, with a predecessor of the Starley diamond-frame A cantilever ...
Comfort bike: essentially modern versions of the old roadster and sports roadster bicycle, though modern comfort bikes are often equipped with derailleur rather than hub gearing. They typically have a modified mountain bike frame with a tall head tube to provide an upright riding position, 26-inch wheels, and 1.75 or 1.95-inch (45–50 mm ...
Meta CEO Mark Zuckerberg on Tuesday said the social media company is ending its fact-checking program and replacing it with a community-driven system similar to that of Elon Musk's X.
Bicycle racers seeking the greatest saddle-to-handlebar drop for better aerodynamics will often forego spacers and cut the steerer tube down to exactly match the headset bearing cup stack height plus the stem height. Cutting the steerer tube to its minimum length prevents switching to a taller stem or to a headset cups with a higher stack height.
Houston Texans wide receiver Tank Dell is out for the rest of the season after suffering a dislocated knee, torn ACL and other damage, Texans head coach DeMeco Ryans said to reporters Monday.
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