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Chainstretch
Chainstay Length
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Online (
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Display as chart
or tabulated text
Teeth on chainrings (front): largest:
and smallest:
Teeth on cogs (rear): largest:
and smallest:
Units below are centimeters
or inches
Chainstay length (in above units):
Tire diameter:
700x35
700x28
700x23
700x20
27x1.25
26x1.9
26(559mm)x1.0
26(650c)x1.0
24x1
20x1.75
Include
half-link
? Yes
No
Chain stretch
(in inches per 12 inches of chain):
Highlight area
:
Off
Vertical
Fixed. Inn.
Excentriker
Horizontal
Results
Ring
Cog
Stay Length
Halflinks
↑Gear inches
53
13
41.760
100
106.7
52
13
42.123
100
104.6
50
13
41.553
98
100.6
53
14
41.476
100
99.0
49
13
41.912
98
98.6
52
14
41.838
100
97.2
48
13
42.269
98
96.6
51
14
42.198
100
95.3
47
13
41.338
96
94.6
46
13
41.693
96
92.6
49
14
41.625
98
91.6
52
15
41.553
100
90.7
45
13
42.047
96
90.6
48
14
41.981
98
89.7
51
15
41.912
100
88.9
50
15
42.269
100
87.2
53
16
42.198
102
86.7
43
13
41.466
94
86.5
46
14
41.404
96
86.0
49
15
41.338
98
85.5
42
13
41.816
94
84.5
45
14
41.757
96
84.1
48
15
41.693
98
83.7
51
16
41.625
100
83.4
41
13
42.165
94
82.5
44
14
42.108
96
82.2
47
15
42.047
98
82.0
50
16
41.981
100
81.8
53
17
41.912
102
81.6
52
17
42.269
102
80.0
39
13
41.577
92
78.5
42
14
41.524
94
78.5
45
15
41.466
96
78.5
48
16
41.404
98
78.5
51
17
41.338
100
78.5
53
18
41.625
102
77.0
50
17
41.693
100
76.9
47
16
41.757
98
76.8
44
15
41.816
96
76.7
41
14
41.871
94
76.6
38
13
41.923
92
76.5
52
18
41.981
102
75.6
49
17
42.047
100
75.4
46
16
42.108
98
75.2
43
15
42.165
96
75.0
40
14
42.217
94
74.7
37
13
42.266
92
74.5
53
19
41.338
102
73.0
50
18
41.404
100
72.7
36
13
41.331
90
72.4
47
17
41.466
98
72.3
44
16
41.524
96
71.9
52
19
41.693
102
71.6
41
15
41.577
94
71.5
49
18
41.757
100
71.2
38
14
41.627
92
71.0
46
17
41.816
98
70.8
35
13
41.673
90
70.4
43
16
41.871
96
70.3
51
19
42.047
102
70.2
40
15
41.923
94
69.8
48
18
42.108
100
69.8
45
17
42.165
98
69.2
37
14
41.970
92
69.1
42
16
42.217
96
68.7
34
13
42.013
90
68.4
39
15
42.266
94
68.0
52
20
41.404
102
68.0
49
19
41.466
100
67.5
46
18
41.524
98
66.9
51
20
41.757
102
66.7
38
15
41.331
92
66.3
43
17
41.577
96
66.2
48
19
41.816
100
66.1
35
14
41.375
90
65.4
40
16
41.627
94
65.4
45
18
41.871
98
65.4
50
20
42.108
102
65.4
47
19
42.165
100
64.7
42
17
41.923
96
64.6
37
15
41.673
92
64.5
44
18
42.217
98
63.9
39
16
41.970
94
63.8
34
14
41.714
90
63.5
41
17
42.266
96
63.1
48
20
41.524
100
62.8
36
15
42.013
92
62.8
45
19
41.577
98
62.0
40
17
41.331
94
61.6
47
20
41.871
100
61.5
42
18
41.627
96
61.0
44
19
41.923
98
60.6
37
16
41.375
92
60.5
46
20
42.217
100
60.2
39
17
41.673
94
60.0
41
18
41.970
96
59.6
34
15
41.414
90
59.3
43
19
42.266
98
59.2
36
16
41.714
92
58.9
38
17
42.013
94
58.5
42
19
41.331
96
57.8
44
20
41.627
98
57.6
35
16
42.052
92
57.2
39
18
41.375
94
56.7
41
19
41.673
96
56.5
43
20
41.970
98
56.2
36
17
41.414
92
55.4
38
18
41.714
94
55.2
40
19
42.013
96
55.1
35
17
41.751
92
53.9
37
18
42.052
94
53.8
41
20
41.375
96
53.6
40
20
41.714
96
52.3
34
17
42.087
92
52.3
38
19
41.414
94
52.3
39
20
42.052
96
51.0
37
19
41.751
94
50.9
35
18
41.450
92
50.9
36
19
42.087
94
49.6
34
18
41.785
92
49.4
37
20
41.450
94
48.4
36
20
41.785
94
47.1
34
19
41.482
92
46.8
35
20
42.118
94
45.8
Copyright 1996-2024 by Eric House & Fixed Innovations
This site was completely rewritten around October 2020. If you notice problems they are probably new!
Please
let me know
if you find problems or have comments about this site.