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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
18
41.785
92
49.4
34
17
42.087
92
52.3
34
16
42.389
92
55.6
34
14
41.714
90
63.5
34
13
42.013
90
68.4
35
20
42.118
94
45.8
35
19
42.422
94
48.2
35
17
41.751
92
53.9
35
16
42.052
92
57.2
35
15
42.352
92
61.0
35
13
41.673
90
70.4
36
20
41.785
94
47.1
36
19
42.087
94
49.6
36
18
42.389
94
52.3
36
16
41.714
92
58.9
36
15
42.013
92
62.8
36
14
42.311
92
67.3
37
19
41.751
94
50.9
37
18
42.052
94
53.8
37
17
42.352
94
56.9
37
15
41.673
92
64.5
37
14
41.970
92
69.1
37
13
42.266
92
74.5
38
20
42.389
96
49.7
38
18
41.714
94
55.2
38
17
42.013
94
58.5
38
16
42.311
94
62.1
38
14
41.627
92
71.0
38
13
41.923
92
76.5
39
20
42.052
96
51.0
39
19
42.352
96
53.7
39
17
41.673
94
60.0
39
16
41.970
94
63.8
39
15
42.266
94
68.0
39
13
41.577
92
78.5
40
20
41.714
96
52.3
40
19
42.013
96
55.1
40
18
42.311
96
58.1
40
16
41.627
94
65.4
40
15
41.923
94
69.8
40
14
42.217
94
74.7
41
19
41.673
96
56.5
41
18
41.970
96
59.6
41
17
42.266
96
63.1
41
15
41.577
94
71.5
41
14
41.871
94
76.6
41
13
42.165
94
82.5
42
20
42.311
98
54.9
42
18
41.627
96
61.0
42
17
41.923
96
64.6
42
16
42.217
96
68.7
42
14
41.524
94
78.5
42
13
41.816
94
84.5
43
20
41.970
98
56.2
43
19
42.266
98
59.2
43
17
41.577
96
66.2
43
16
41.871
96
70.3
43
15
42.165
96
75.0
43
14
42.457
96
80.3
44
20
41.627
98
57.6
44
19
41.923
98
60.6
44
18
42.217
98
63.9
44
16
41.524
96
71.9
44
15
41.816
96
76.7
44
14
42.108
96
82.2
44
13
42.399
96
88.5
45
19
41.577
98
62.0
45
18
41.871
98
65.4
45
17
42.165
98
69.2
45
16
42.457
98
73.6
45
14
41.757
96
84.1
45
13
42.047
96
90.6
46
20
42.217
100
60.2
46
18
41.524
98
66.9
46
17
41.816
98
70.8
46
16
42.108
98
75.2
46
15
42.399
98
80.2
46
13
41.693
96
92.6
47
20
41.871
100
61.5
47
19
42.165
100
64.7
47
18
42.457
100
68.3
47
16
41.757
98
76.8
47
15
42.047
98
82.0
47
14
42.336
98
87.8
48
20
41.524
100
62.8
48
19
41.816
100
66.1
48
18
42.108
100
69.8
48
17
42.399
100
73.9
48
15
41.693
98
83.7
48
14
41.981
98
89.7
48
13
42.269
98
96.6
49
20
42.457
102
64.1
49
18
41.757
100
71.2
49
17
42.047
100
75.4
49
16
42.336
100
80.1
49
14
41.625
98
91.6
49
13
41.912
98
98.6
50
20
42.108
102
65.4
50
19
42.399
102
68.8
50
17
41.693
100
76.9
50
16
41.981
100
81.8
50
15
42.269
100
87.2
50
13
41.553
98
100.6
51
20
41.757
102
66.7
51
19
42.047
102
70.2
51
18
42.336
102
74.1
51
16
41.625
100
83.4
51
15
41.912
100
88.9
51
14
42.198
100
95.3
51
13
42.484
100
102.6
52
19
41.693
102
71.6
52
18
41.981
102
75.6
52
17
42.269
102
80.0
52
15
41.553
100
90.7
52
14
41.838
100
97.2
52
13
42.123
100
104.6
53
20
42.336
104
69.3
53
18
41.625
102
77.0
53
17
41.912
102
81.6
53
16
42.198
102
86.7
53
15
42.484
102
92.4
53
13
41.760
100
106.7
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.