Derailleur gears a detent or ratchet mechanism which stops the gear lever, and hence the cable and the derailleur, after moving a specific distance with each press or pull. Indexed shifters require re-calibration when cables stretch and parts get damaged or swapped. On racing bicycles, 10-gear rear cassettes appeared in 2000, and 11-gear cassettes appeared in 2009. Most current mountain bicycles have either. Many modern, high-end mountain bikes have begun using entirely one chain ring drivetrains, with the industry constantly pushing the number of rear cogs up and up, as shown by SRAM's Eagle groupsets (1 by 12) and Rotor's recent 1
Football (word) brother plays football in the States", it would be clear from context that American football is meant. Canadian French usage parallels English usage, with "le football" usually referring to Canadian or American football, and "le soccer" referring to association football. When there is ambiguity, "le football canadien" or "le football américain" is used. Rugby union football in Canada is almost always referred to simply as "rugby". In most of the English-speaking Caribbean, "football" and "soccer" are both used to refer to association football, but use of the word "football" is far more common. The exception is the Bahamas, where the