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A freehub is a type of bicycle hub that incorporates a ratcheting mechanism. A set of sprockets (called a " cassette ") is mounted onto a splined shaft of the freehub to engage the chain . The ratcheting mechanism is a part of the hub, in contrast to a freewheel , an older technology, which contains both the sprockets and a ratcheting mechanism ...
Bicycle wheel with wooden rim Nipples Spokes Cross-section of a rim A Shimano Dura-Ace freehub-style hub A bicycle wheel is a wheel , most commonly a wire wheel , designed for a bicycle . A pair is often called a wheelset , especially in the context of ready built "off the shelf" performance-oriented wheels.
Freewheel mechanism Ratcheting freewheel mechanism (van Anden, 1869). In mechanical or automotive engineering, a freewheel or overrunning clutch is a device in a transmission that disengages the driveshaft from the driven shaft when the driven shaft rotates faster than the driveshaft.
Download QR code; Print/export Download as PDF; Printable version; In other projects ... Swiss Cycling is the national governing body of cycle racing in Switzerland.
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PB Swiss Tools AG is a manufacturer of hand tools based in Switzerland. The company was started in 1878 by Paul Baumann, from whose initials the company name was derived. In 1916 Paul Baumann established the family-owned company PB Baumann GmbH. In 1940 the company began producing tools, the first of which was a screwdriver.
Amongst the rail transport collection are rolling stock from Switzerland's first ever railway, the Swiss Northern Railway and a SBB Ae 8/14 electric engine. An H0 gauge model railway layout of the Gotthard portrays the northern ramp of the Gotthard railway between Erstfeld station and the Göschenen tunnel, including the three loop/curved tunnels near Wassen.