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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
14
42.769
102
99.0
53
15
42.484
102
92.4
53
16
42.198
102
86.7
53
17
41.912
102
81.6
53
19
42.625
104
73.0
53
20
42.336
104
69.3
52
13
42.123
100
104.6
52
15
42.843
102
90.7
52
16
42.556
102
85.0
52
17
42.269
102
80.0
52
18
41.981
102
75.6
52
20
42.689
104
68.0
51
13
42.484
100
102.6
51
14
42.198
100
95.3
51
15
41.912
100
88.9
51
17
42.625
102
78.5
51
18
42.336
102
74.1
51
19
42.047
102
70.2
50
13
42.843
100
100.6
50
14
42.556
100
93.4
50
15
42.269
100
87.2
50
16
41.981
100
81.8
50
18
42.689
102
72.7
50
19
42.399
102
68.8
50
20
42.108
102
65.4
49
13
41.912
98
98.6
49
15
42.625
100
85.5
49
16
42.336
100
80.1
49
17
42.047
100
75.4
49
19
42.749
102
67.5
49
20
42.457
102
64.1
48
13
42.269
98
96.6
48
14
41.981
98
89.7
48
16
42.689
100
78.5
48
17
42.399
100
73.9
48
18
42.108
100
69.8
48
20
42.805
102
62.8
47
13
42.625
98
94.6
47
14
42.336
98
87.8
47
15
42.047
98
82.0
47
17
42.749
100
72.3
47
18
42.457
100
68.3
47
19
42.165
100
64.7
46
14
42.689
98
86.0
46
15
42.399
98
80.2
46
16
42.108
98
75.2
46
18
42.805
100
66.9
46
19
42.512
100
63.3
46
20
42.217
100
60.2
45
13
42.047
96
90.6
45
15
42.749
98
78.5
45
16
42.457
98
73.6
45
17
42.165
98
69.2
45
19
42.857
100
62.0
45
20
42.562
100
58.9
44
13
42.399
96
88.5
44
14
42.108
96
82.2
44
16
42.805
98
71.9
44
17
42.512
98
67.7
44
18
42.217
98
63.9
44
19
41.923
98
60.6
44
20
42.905
100
57.6
43
13
42.749
96
86.5
43
14
42.457
96
80.3
43
15
42.165
96
75.0
43
17
42.857
98
66.2
43
18
42.562
98
62.5
43
19
42.266
98
59.2
43
20
41.970
98
56.2
42
14
42.805
96
78.5
42
15
42.512
96
73.2
42
16
42.217
96
68.7
42
17
41.923
96
64.6
42
18
42.905
98
61.0
42
19
42.609
98
57.8
42
20
42.311
98
54.9
41
13
42.165
94
82.5
41
15
42.857
96
71.5
41
16
42.562
96
67.0
41
17
42.266
96
63.1
41
18
41.970
96
59.6
41
20
42.651
98
53.6
40
13
42.512
94
80.5
40
14
42.217
94
74.7
40
15
41.923
94
69.8
40
16
42.905
96
65.4
40
17
42.609
96
61.6
40
18
42.311
96
58.1
40
19
42.013
96
55.1
39
13
42.857
94
78.5
39
14
42.562
94
72.9
39
15
42.266
94
68.0
39
16
41.970
94
63.8
39
18
42.651
96
56.7
39
19
42.352
96
53.7
39
20
42.052
96
51.0
38
13
41.923
92
76.5
38
14
42.905
94
71.0
38
15
42.609
94
66.3
38
16
42.311
94
62.1
38
17
42.013
94
58.5
38
19
42.690
96
52.3
38
20
42.389
96
49.7
37
13
42.266
92
74.5
37
14
41.970
92
69.1
37
16
42.651
94
60.5
37
17
42.352
94
56.9
37
18
42.052
94
53.8
37
20
42.724
96
48.4
36
13
42.609
92
72.4
36
14
42.311
92
67.3
36
15
42.013
92
62.8
36
17
42.690
94
55.4
36
18
42.389
94
52.3
36
19
42.087
94
49.6
35
14
42.651
92
65.4
35
15
42.352
92
61.0
35
16
42.052
92
57.2
35
18
42.724
94
50.9
35
19
42.422
94
48.2
35
20
42.118
94
45.8
34
13
42.013
90
68.4
34
15
42.690
92
59.3
34
16
42.389
92
55.6
34
17
42.087
92
52.3
34
19
42.755
94
46.8
34
20
42.451
94
44.5
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.