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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
51
13
42.484
100
102.6
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
42.625
98
94.6
50
14
42.556
100
93.4
46
13
41.693
96
92.6
53
15
42.484
102
92.4
45
13
42.047
96
90.6
48
14
41.981
98
89.7
51
15
41.912
100
88.9
44
13
42.399
96
88.5
47
14
42.336
98
87.8
50
15
42.269
100
87.2
53
16
42.198
102
86.7
46
14
42.689
98
86.0
49
15
42.625
100
85.5
52
16
42.556
102
85.0
42
13
41.816
94
84.5
45
14
41.757
96
84.1
48
15
41.693
98
83.7
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
40
13
42.512
94
80.5
43
14
42.457
96
80.3
46
15
42.399
98
80.2
49
16
42.336
100
80.1
52
17
42.269
102
80.0
48
16
42.689
100
78.5
51
17
42.625
102
78.5
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
51
18
42.336
102
74.1
48
17
42.399
100
73.9
45
16
42.457
98
73.6
42
15
42.512
96
73.2
53
19
42.625
104
73.0
39
14
42.562
94
72.9
50
18
42.689
102
72.7
36
13
42.609
92
72.4
52
19
41.693
102
71.6
49
18
41.757
100
71.2
46
17
41.816
98
70.8
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
53
20
42.336
104
69.3
45
17
42.165
98
69.2
37
14
41.970
92
69.1
50
19
42.399
102
68.8
42
16
42.217
96
68.7
34
13
42.013
90
68.4
47
18
42.457
100
68.3
39
15
42.266
94
68.0
52
20
42.689
104
68.0
44
17
42.512
98
67.7
36
14
42.311
92
67.3
41
16
42.562
96
67.0
51
20
41.757
102
66.7
38
15
42.609
94
66.3
48
19
41.816
100
66.1
35
14
42.651
92
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
49
20
42.457
102
64.1
44
18
42.217
98
63.9
39
16
41.970
94
63.8
34
14
41.714
90
63.5
46
19
42.512
100
63.3
41
17
42.266
96
63.1
36
15
42.013
92
62.8
43
18
42.562
98
62.5
38
16
42.311
94
62.1
40
17
42.609
96
61.6
47
20
41.871
100
61.5
35
15
42.352
92
61.0
44
19
41.923
98
60.6
37
16
42.651
94
60.5
46
20
42.217
100
60.2
41
18
41.970
96
59.6
34
15
42.690
92
59.3
43
19
42.266
98
59.2
36
16
41.714
92
58.9
45
20
42.562
100
58.9
38
17
42.013
94
58.5
40
18
42.311
96
58.1
42
19
42.609
98
57.8
35
16
42.052
92
57.2
37
17
42.352
94
56.9
39
18
42.651
96
56.7
43
20
41.970
98
56.2
34
16
42.389
92
55.6
36
17
42.690
94
55.4
38
18
41.714
94
55.2
40
19
42.013
96
55.1
42
20
42.311
98
54.9
35
17
41.751
92
53.9
37
18
42.052
94
53.8
39
19
42.352
96
53.7
41
20
42.651
98
53.6
40
20
41.714
96
52.3
34
17
42.087
92
52.3
36
18
42.389
94
52.3
38
19
42.690
96
52.3
39
20
42.052
96
51.0
37
19
41.751
94
50.9
38
20
42.389
96
49.7
36
19
42.087
94
49.6
34
18
41.785
92
49.4
35
19
42.422
94
48.2
36
20
41.785
94
47.1
35
20
42.118
94
45.8
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.