Single speed gearing
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kipperthedog
Senior Retro Guru
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Re:
http://www.bikecalc.com/gear_ratios
Should find it for you.....make sure you enter the correct wheel size though.
http://www.bikecalc.com/gear_ratios
Should find it for you.....make sure you enter the correct wheel size though.
one-eyed_jim
Old School Grand Master
32:13 is close, as is 37:15
42/17=2.471
37/15=2.467
32/13=2.461
42/17=2.471
37/15=2.467
32/13=2.461
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Re:
If you hadn't gathered you just do a little mathematics.
42 ÷ 17 = 2.47
Then you just work up from the rear cog size and times by 2.47 and see which front cogs fit
11x2.47
12x2.47
Etc
Assuming you can run 11 and 12 as single speed, most start at 13.
But why bother if what you have works for you? You have more chain overlap so the setup should last longer
If you hadn't gathered you just do a little mathematics.
42 ÷ 17 = 2.47
Then you just work up from the rear cog size and times by 2.47 and see which front cogs fit
11x2.47
12x2.47
Etc
Assuming you can run 11 and 12 as single speed, most start at 13.
But why bother if what you have works for you? You have more chain overlap so the setup should last longer
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