Gear Inch Chart - 9 speed

    |    11    13    15    17    20    23    26    30    34 
----+-------------------------------------------------------
 44 | 105.8  89.5  77.6  68.4  58.2  50.6  44.7  38.8  34.2 
 34 |  81.7  69.1  59.9  52.9  44.9  39.1  34.5  29.9  26.4 
 24 |  57.7  48.8  42.3  37.3  31.7  27.6  24.4  21.1  18.6 

 Semi-Log Graph
 2                 3           4         5       6     7     8    9    1   1  2
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1   2     3    4     5      6     7     8      9                               
              1    2     3    4     5      6     7     8      9                
                         1    2     3    4     5      6     7     8      9