Skid Patch Calc
 
 
Number of Chainring Teeth
38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
Number of Cog Teeth 12 6 4 3 12 2 12 3 4 6 12 1 12 6 4 3 12
13 13 1 13 13 13 13 13 13 13 13 13 13 13 13 1 13
14 7 14 7 14 1 14 7 14 7 14 7 2 7 14 7 14
15 15 5 3 15 5 15 15 1 15 15 5 15 3 5 15 15
16 8 16 2 16 8 16 4 16 8 16 1 16 8 16 4 16
17 17 17 17 17 17 17 17 17 17 17 17 17 17 1 17 17
18 9 6 9 18 3 18 9 2 9 18 3 18 9 6 9 18
19 1 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19
20 10 20 1 20 10 20 5 4 10 20 5 20 2 20 5 20
21 21 7 21 21 1 21 21 7 21 21 7 3 21 7 21 21
22 11 22 11 22 11 22 1 22 11 22 11 22 11 22 11 22




















Combinations with more than 15 skid patches are highlighted yellow