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