Gear Charts for Easy Reference
(Easy to print PDF version)

 
38
39
40
41
42
43
44
12
85.5
87.8
90.0
92.3
94.5
96.8
99.0
13
78.9
81.0
83.1
85.2
87.2
89.3
91.4
14
73.3
75.2
77.1
79.1
81.0
82.9
84.9
15
68.4
70.2
72.0
73.8
75.6
77.4
79.2
16
64.1
65.8
67.5
69.2
70.9
72.6
74.3
17
60.4
61.9
63.5
65.1
66.7
68.3
69.9
18
57.0
58.5
60.0
61.5
63.0
64.5
66.0
19
54.0
55.4
56.8
58.3
59.7
61.1
62.5
20
51.3
52.7
54.0
55.4
56.7
58.1
59.4

        
 
45
46
47
48
49
50
51
12
101.3
103.5
105.8
108.0
110.3
112.5
114.8
13
93.5
95.5
97.6
99.7
101.8
103.8
105.9
14
86.8
88.7
90.6
92.6
94.5
96.4
98.4
15
81.0
82.8
84.6
86.4
88.2
90.0
91.8
16
75.9
77.6
79.3
81.0
82.7
84.4
86.1
17
71.5
73.1
74.6
76.2
77.8
79.4
81.0
18
67.5
69.0
70.5
72.0
73.5
75.0
76.5
19
63.9
65.4
66.8
68.2
69.6
71.1
72.5
20
60.8
62.1
63.5
64.8
66.2
67.5
68.9

        
 
52
53
54
55
56
57
58
12
117.0
119.3
121.5
123.8
126.0
128.3
130.5
13
108.0
110.1
112.2
114.2
116.3
118.4
120.5
14
100.3
102.2
104.1
106.1
108.0
109.9
111.9
15
93.6
95.4
97.2
99.0
100.8
102.6
104.4
16
87.8
89.4
91.1
92.8
94.5
96.2
97.9
17
82.6
84.2
85.8
87.4
88.9
90.5
92.1
18
78.0
79.5
81.0
82.5
84.0
85.5
87.0
19
73.9
75.3
76.7
78.2
79.6
81.0
82.4
20
70.2
71.6
72.9
74.3
75.6
77.0
78.3

        
Gear
Ring
Cog
116.3
56
13
114.2
55
13
112.2
54
13
110.1
53
13
108.0
52
13
108.0
56
14
106.1
55
14
105.9
51
13
104.1
54
14
103.8
50
13
102.2
53
14
101.8
49
13
100.8
56
15
100.3
52
14
99.7
48
13
99.0
55
15
98.4
51
14
97.6
47
13
97.2
54
15
96.4
50
14
95.5
46
13
95.4
53
15
94.5
49
14
94.5
56
16
93.6
52
15
93.5
45
13
92.8
55
16
92.6
48
14
91.8
51
15
91.4
44
13
91.1
54
16
90.6
47
14
90.0
50
15
89.4
53
16
88.7
46
14
88.2
49
15
87.8
52
16
86.8
45
14
86.4
48
15
86.1
51
16
84.9
44
14
84.6
47
15
84.4
50
16
82.8
46
15
82.7
49
16
81.0
45
15
81.0
48
16
79.3
47
16
79.2
44
15
77.6
46
16
75.9
45
16
74.3
44
16