Gear ratio comparison chart

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Bergheim

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Don't know if a gear ratio comparison like this is out here already. Anyway, as I was wondering what gear set to buy I calculated the gear ratios and what difference you get in speed/torque when switching gears. I used 17/57 as reference as it's the stock ratio.

SPUR....PINION....RATIO......SPEED.......POWER.....TOTAL TEETH
58........16..........3,63........-8 %.........+8 %.......74 (correct mesh)
57........16..........3,56........-6 %.........+6 %.......73
57........17..........3,35.........0 %...........0 %.......74 (correct mesh)
57........18..........3,17........+6 %.........-6 %.......75
56........18..........3,11........+7 %.........-7 %.......74 (correct mesh)
55........18..........3,06........+9 %.........-9 %.......73
56........19..........2,95........+12 %.......-12 %......75
55........19..........2,89........+14 %.......-14 %......74 (correct mesh)
54........20..........2,70........+19 %.......-19 %......74 (correct mesh)
53........21..........2,52........+25%........-25%.......74 (correct mesh)
52........22..........2,36........+30 %.......-30 %......74 (correct mesh)
 
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