Hi try these chart. The three top charts Give the ratio of front to back sprockets. The chats only cover 14,15 & 16 rear sprockets and 32 to 45 front. If you only want to higher or lower your gearing go to the bottom chart and select the next higest or lowest.
16 tooth 15tooth 14tooth
32 32 32 2.2851
33 33 2.2 33 2.3571
34 34 2.2666 34 2.4285
35 35 2.3333 35 2.5
36 36 2.4 36 2.5714
37 2.3125 37 2.4666 37 2.6428
38 2.3750 38 2.5333 38 2.7142
39 2.4375 39 2.6 39 2.7857
40 2.5 40 2.6666 40 2.8571
41 2.565 41 2.7333 41 2.9285
42 2.625 42 2.8 42 3
43 2.6875 43 2.8666 43 3.0714
44 2.75 44 44
45 2.8125 45 45
15 33 2.2 16 42 2.625
15 34 2.2666 15 40 2.666
14 32 2.2851 14 37 2.6428
16 37 2.3125 16 43 2.6875
15 35 2.3333 14 38 2.7142
14 33 2.3571 15 41 2.7333
16 38 2.3750 16 44 2.75
15 36 2.4 14 39 2.7857
14 34 2.4285 15 42 2.8
16 39 2.4375 12.525 16 45 2.8125
15 37 2.4666 14 40 2.8751
14 35 2.5 15 43 2.8666
16 40 2.5 12.846 14 41 2.9285
15 38 2.5333 14 42 3
16 41 2.565 14 43 3.071
14 36 2.5714
15 37 2.6
