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