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Like a traditional headset, it uses two sets of bearings and bearing cups. Unlike a threaded headset, a threadless headset does not have a threaded top headset race or use a threaded steerer tube. Instead the steerer tube extends from the fork all the way through the head tube and above the headset, and is held in place by the stem clamped on top.
Because DECT specifications are different between countries, developers who use the same product across different countries have launched wireless headsets which use 2.4GHz RF as opposed to the 1.89 or 1.9 GHz in DECT. Almost all countries in the world have the 2.4 GHz band open for wireless communications, so headsets using this RF band is ...
In 2008, Campagnolo introduced 11-speed drivetrains with Super Record, Record, and Chorus groupsets. Campagnolo has released an electronic version of its drivetrain. [7] In April 2018 Campagnolo launched 12-speed Record and Super Record groupsets, [8] and in 2020, the company launched Campagnolo Ekar, a 13-speed groupset aimed at gravel riders. [9]
Aerozine ceramic external bottom bracket bearing cups for BSC/ISO standard, that is M34.798×1.058 mm (1.37″-24 TPI) threads and a 68 mm wide bottom bracket shell. The bottom bracket on a bicycle connects the crankset (chainset) to the bicycle and allows the crankset to rotate freely.
Another Campagnolo invention that made use of the quick-release mechanism was the Cambio Corsa, a multi-gear changing system consisting of a rear wheel quick-release lever with a mechanical extension that placed the lever itself near the bicycle's saddle, combined with a fork that served as a primitive version of a rear derailleur (without ...
Campagnolo was also an innovator in materials engineering for bicycle component design. In 1961, Campagnolo was the first to produce components using low-pressure magnesium casting and he used new aluminum alloys and titanium. In 1966, he patented the Campagnolo self-centering wine-bottle opener.
Less commonly 31.8 mm (1 + 1 ⁄ 4 in) was used on some mountain bikes and tandems and has now returned on some carbon fiber forks, and 38.1 mm (1 + 1 ⁄ 2 in) is found on high end Downhill bikes. A threadless stem should match the outside diameter of the steerer tube; a reducing shim may be employed to match a 28.6 mm ( 1 + 1 ⁄ 8 in) stem ...
Campagnolo ErgoPower is an integrated gearshift and brake lever system designed by Campagnolo for racing bicycles. [1] It allows shifting gears without having to remove a hand from the bars, unlike previous down tube shifting systems. It was launched in 1992 to compete with Shimano Total Integration (STI).