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Litespeed uses 6/4 titanium, [20] which is an alloy of titanium with 6 percent aluminum and 4 percent vanadium, instead of the more-common 3/2.5 titanium. [21] It is more difficult to work with, but has a better strength to weight ratio than other available alloys. [ 20 ]
The outer wall has been worn through and the wheel is dangerously weakened. This is a disadvantage of rim brakes. Rim brakes are inexpensive, light, mechanically simple, easy to maintain, and powerful. However, they perform relatively poorly when the rims are wet, and will brake unevenly if the rims are even slightly warped. Because rims can ...
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 ...
Bora 50 and 35 wheels become available in Clincher and adopt a wider rim profile. 2015 Potenza group is introduced. 2017 Centaur group reintroduced as Campagnolo's least expensive 11-speed group. 2018 12-speed Super Record and Record mechanical groups are introduced.(for disc and rim brake) Bora WTO (Wind Tunnel Optimized) wheels are introduced.
The Westwood rim style of cycle rim used on bicycles was one of the original steel rim designs, developed during or before 1891 by Frederick Westwood of Birmingham. [1] Bowden brakes and cables designed for use with this rim were introduced in 1896. [2] Westwood rims have also been found ideal for use with drum brakes.
Colnago Ernesto & C. S.r.l. or Colnago is a manufacturer of road-racing bicycles founded by Ernesto Colnago near Milano in Cambiago, Italy.It remained a family-controlled firm until May 4, 2020, when it was announced that the UAE-based investment company, Chimera Investments LLC, had acquired a majority of the Colnago shares from Ernesto Colnago, although the headquarters will remain located ...
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