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Replacement chainrings must be chosen with a bolt-hole count and spacing that matches the spider. Chainrings designed for use with multi-chainring crank arms may have ramps or pins to aid in shifting. The middle chainring, in the case of a triple crankset, usually has the most shaping to aid in shifting up and down.
José Meiffret (1913–1983, born Boulouris, France) was a cyclist who set a world motor-paced speed record of 204.73 km/h (127.243 mi/h) behind a Mercedes-Benz 300SL on the German Autobahn on July 19, 1962 [1] at Freiburg Germany. This record was set on a bicycle setup with a 130-tooth chainring, weighing 20 kg and equipped with wooden rims.
A crankset with a variable angle Rotor / Cervélo crank and Osymetric chain ring. Osymetric is a French make of ovoid bicycle chainring which has a non-circular shape whose angle is tailored to the pedal stroke of the individual cyclist.
The Jaffe/Swearingen SA-32T is a prototype American turboprop- powered training aircraft with side-by-side seating. A single example was built in the late 1980s, but no production followed. A single example was built in the late 1980s, but no production followed.
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 ...
The Manual was first published in 1906, although earlier predecessors had appeared in the 1890s under the title of The American Sporting Manual. The work was continuously published until 1994, when its format was changed to an abbreviated form. It appeared in that format in 1995 and 1996, and was issued as a CD-ROM version in 1997 and 1998.
Base32 is an encoding method based on the base-32 numeral system.It uses an alphabet of 32 digits, each of which represents a different combination of 5 bits (2 5).Since base32 is not very widely adopted, the question of notation—which characters to use to represent the 32 digits—is not as settled as in the case of more well-known numeral systems (such as hexadecimal), though RFCs and ...