Derailleur gears several standards in use, and in each the product of the derailleur's actuation ratio and the length of cable pulled must equal the pitch of the rear sprockets. The following standards exist. Some rear derailleurs, especially for mountain bikes, incorporate a clutch to keep the lower length of chain in sufficient tension to prevent the chain from striking the bottom of the chain stay, called "chain slap", and which can damage the chain stay. Clutches are also helpful in preventing the chain from derailing from the chain ring on systems without a front derailleur. The front derailleur only has to
What Kind of Man (Florence and the Machine song) What Kind of Man (Florence and the Machine song) "What Kind of Man" is a song by English indie rock band Florence and the Machine from their third studio album, "How Big, How Blue, How Beautiful" (2015). It was written by Florence Welch, Kid Harpoon and John Hill, produced by Markus Dravs and co-produced by Hill. The song was released on 12 February 2015 as the album's lead single. "What Kind of Man" received Grammy Award nominations for Best Rock Performance and Best Rock Song. According to lead vocalist Florence Welch, the song represents a new guitar-driven sonic direction for