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).
Comments: 15. CONGRATULATIONS to Mr. & Mrs. Sedaka, married 53 years ago today on September 11th, 1962!And on the day of their wedding Neil's Breaking Up Is Hard to Do was at #11 on Billboard's Hot Top 100 chart; and the song certainly does not apply to Leba and Neil. Barry-Sauquoit, Ny.