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Headsets of this type are often referred to by the Dia-Compe (now Cane Creek) registered trademark "Aheadset", [2] [3] and are manufactured under license. 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 ...
The quill stem requires the threaded steerer tube of the fork to extend up through the headset but not protrude beyond it. The quill stem fits down into the inside of the top of steerer tube and is held in place by either a wedge-shaped nut and bolt or a cone-shaped expander nut and bolt. [ 2 ]
Hirth joint between the semi-axles of a Campagnolo Ultra-Torque crankset. In late 2006, Campagnolo introduced an outboard bearing design called Ultra-Torque, which has both crank arms permanently attached to halves of the spindle (called semi-axles), which then join in the middle of the bottom bracket with a Hirth joint and a bolt. [11]
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]
Headsets using this wiring are sometimes indicated by white plastic separators between the rings. [61] [60] If a CTIA headset is connected to an OMTP device, the missing ground effectively connects the speakers in series, out-of-phase. This removes the singer's voice on typical popular music recordings, which place the singers in the center.
TIME-SERT insert. A threaded insert, also known as a threaded bushing, is a fastener element that is inserted into an object to add a threaded hole. [1] They may be used to repair a stripped threaded hole, provide a durable threaded hole in a soft material, place a thread on a material too thin to accept it, mold or cast threads into a work piece thereby eliminating a machining operation, or ...
An older Sachs drum brake kit ("Hydro Pull") allows to rebuild a regular Sachs bicycle drum brake to hydraulic lever and action. A piston is added outside the drum instead of the bowden clamp. This solution is often seen on modified Long John cargo bikes, allowing a low friction lever pull front wheel brake action.
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