It has two front chainrings and ten cogs in the rear. A 3x9 has three front chainrings and nine cogs in the rear. Although bikes used to have all types of drivetrains with 5, 6, 7, or other numbers of rear cogs, were going to start our discussion with 9-speed systems.
Neil Sedaka has a long and distinguished career as a pop singer, songwriter, and pianist. His many hits include Breaking Up Is Hard To Do (1962, 1975 slower remake), Laughter In The Rain (1975), and Bad Blood (1975).
The 1962 version of Breaking Up Is Hard To Do, was the best. The 1976 version however, was horrible. The song was perfect as is. Mr. Sedaka should have left it alone. Farrah-Elon, Nc. Hey Kevin you can get a copy on Time Life CD's (Mellow Hits of the 70's) of Breaking Up Is Hard To Do, it entered Billboard Charts Dec 13, 1975. Alf-Kingston, Canada. HiI'm looking for the 1978 remake version of Breaking up is Hard to do by Neil Sedaka, but have had no luck in finding it.