Cassette: a gaggle of stacked sprockets or gears within the rear wheel of a bicycle with a rear derailleur. There might be anywhere from 5 to 12 gears in back again on a cassette. The seatpost will be the ingredient that connects the saddle towards the frame. It allows for https://pit-bike-engines81986.blogripley.com/35699974/not-known-details-about-bike-parts-uk