Derailleur gears chain slack. Cage length determines the total capacity of the derailleur, that is the size difference between the largest and smallest chainrings, and the size difference between the largest and smallest sprockets on the cogset added together. A larger sum requires a longer cage length. Typical cross country mountain bikes with three front chainrings will use a long cage rear derailleur. A road bike with only two front chainrings and close ratio sprockets can operate with either a short or long cage derailleur, but will work better with a short cage. Manufacturer stated derailleur capacities are as follows: Shimano long
Longest word in English Sylvia Plath made mention of it in her semi-autobiographical novel "The Bell Jar", when the protagonist was reading "Finnegans Wake". "Supercalifragilisticexpialidocious", the 34-letter title of a song from the movie "Mary Poppins", does appear in several dictionaries, but only as a proper noun defined in reference to the song title. The attributed meaning is "a word that you say when you don't know what to say." The idea and invention of the word is credited to songwriters Robert and Richard Sherman. The English language permits the legitimate extension of existing words to serve new purposes by the addition of prefixes