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If you have a bike you can ride now, I'd suggest putting its gear configuration into an online gear calculator (I'm kind of fond of this) so that you can see the ratios and spacings of a bike you've ridden and compare them with the options you're considering for your new bike. For me, I'm most interested in a gear that feels good for cruising on the flat ...


0

Some math: the bold numbers are turns of the rear wheel per turn of the crank. 39/52 crankset: with 11-25 cassette: from 39/25 = 1.56 to 2/11 = 4.73 with 12-28 cassette: from 39/28 = 1.39 to 52/12 = 4.33 with 12-30 cassette: from 39/30 = 1.3 to 52/12 = 4.33 34/50 crankset: with 11-25 cassette: from 34/25 = 1.36 to 50/11 = 4.55 with 12-28 ...



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