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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 ...
On a bicycle, the cassette or cluster [1] is the set of multiple sprockets that attaches to the hub on the rear wheel. A cogset works with a rear derailleur to provide multiple gear ratios to the rider. Cassettes come in two varieties, freewheels or cassettes, of which cassettes are a newer development. Although cassettes and freewheels perform ...
Eccentric bottom bracket on a Burley tandem bicycle held in place with two set screws. The term is also used to refer to the device often used on tandem bicycles with timing chains, single-speed bicycles with a rear disc brake or an internal-geared hub, or any bicycle with vertical dropouts and no derailleur, to allow slight repositioning, fore and aft, of a bottom bracket to properly tension ...
Slipper clutches can also prevent a catastrophic rear wheel lockup in case of engine seizure. Generally, the amount of force needed to disengage the clutch is adjustable to suit the application. Slipper clutches have also been used to a lesser extent on automobiles, primarily those powered by motorcycle engines.
To compensate for the uneven (35/65) weight distribution caused by the rear-mounted engine, DeLorean used rear wheels with a diameter slightly greater than the front wheels. Before that was the rear-engined Škoda's from Škoda 1000MB (produced from 1964) to Škoda 130/135/136 (produced until 1990) or the Polski Fiat 126p (produced until ...
Questions surrounding the identity of "Celebrity B" remain after Jay-Z was recently named in a Sean "Diddy" Combs sexual assault lawsuit.. Initially, the lawsuit stated Diddy raped the minor while ...
Unlike regular bicycles, a front freewheel can make it possible to shift gears using a derailleur while the rider is coasting if paired with a fixed rear hub or a freehub with a slight resistance in the freewheel mechanism, which causes the chain to continue spinning with the wheel rotation. [1]
gridcaha/istockphotoThe allure of Hollywood memorabilia has been known to transcend generations, with props, costumes, and artifacts used by famous actors fetching astronomical prices at auction.