Originally Posted by
boston blackie
One thing I notice about the dual drive P24, although technically it has 24 speed, in reality I consider it a 10 speed as most of the speeds are duplicated within two inches or less.
I know I am late with this earth shattering piece of information ,but I recon the 3 X9 gives 19 speeds with a classi rear sproket a 54 front within a 1 inch range.
Gear chart using Gear Inches
For 16 x 1 3/8 / 35-349 tire with 170 mm cranks
With 9-speed "Classic 9" 13-14-15-16-17-18-19-21-24 Cassette
With SRAM/Sachs/Torpedo 3-speed, including 3 x (n), Dual Drive Rear Hub
0.73 (Low) 1.0 1.36 (High)
54
Low - High
52.8
48.7
45.2
42.2
39.6
37.3
33.3
30.2
78.9
66.8
62.0
54.2
107.3
98.3
90.8
84.3
73.8
69.4
56.2
I am not interesting enough to be a nerd!