Tooth Counts Ratios
Mainshaft Gears Cluster Gears
Spur Ratio Input 3rd 2nd 1st 4th 3rd 2nd 1st 3rd 2nd 1st
1.29 21 22 25 34 27 23 20 18 1.23 1.61 2.43
1.40 20 22 25 34 28 23 20 18 1.34 1.75 2.64
1.40 20 21 24 34 28 24 21 18 1.23 1.60 2.64
1.53 19 21 24 34 29 24 21 18 1.34 1.74 2.88
1.53 19 21 25 34 29 24 20 18 1.34 1.91 2.88
1.82 17 20 25 34 31 25 20 18 1.46 2.28 3.44
1.82 17 20 25 30 31 25 20 16 1.46 2.28 3.42
1.29 21 20 25 30 27 25 20 16 1.03 1.61 2.41
1.29 21 26 24 30 27 28 21 16 1.19 1.47 2.41
1.29 21 21 23 34 27 24 22 18 1.13 1.34 2.43
1.53 19 20 24 34 29 25 21 18 1.22 1.74 2.88

 

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Last modified: 09/08/05