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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
19
41.482
92
46.8
34
18
41.785
92
49.4
34
17
42.087
92
52.3
34
15
41.414
90
59.3
34
14
41.714
90
63.5
34
13
42.013
90
68.4
35
20
42.118
94
45.8
35
18
41.450
92
50.9
35
17
41.751
92
53.9
35
16
42.052
92
57.2
35
14
41.375
90
65.4
35
13
41.673
90
70.4
36
20
41.785
94
47.1
36
19
42.087
94
49.6
36
17
41.414
92
55.4
36
16
41.714
92
58.9
36
15
42.013
92
62.8
36
13
41.331
90
72.4
37
20
41.450
94
48.4
37
19
41.751
94
50.9
37
18
42.052
94
53.8
37
16
41.375
92
60.5
37
15
41.673
92
64.5
37
14
41.970
92
69.1
37
13
42.266
92
74.5
38
19
41.414
94
52.3
38
18
41.714
94
55.2
38
17
42.013
94
58.5
38
15
41.331
92
66.3
38
14
41.627
92
71.0
38
13
41.923
92
76.5
39
20
42.052
96
51.0
39
18
41.375
94
56.7
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
17
41.331
94
61.6
40
16
41.627
94
65.4
40
15
41.923
94
69.8
40
14
42.217
94
74.7
41
20
41.375
96
53.6
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
19
41.331
96
57.8
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
13
41.466
94
86.5
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
45
19
41.577
98
62.0
45
18
41.871
98
65.4
45
17
42.165
98
69.2
45
15
41.466
96
78.5
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
14
41.404
96
86.0
46
13
41.693
96
92.6
47
20
41.871
100
61.5
47
19
42.165
100
64.7
47
17
41.466
98
72.3
47
16
41.757
98
76.8
47
15
42.047
98
82.0
47
13
41.338
96
94.6
48
20
41.524
100
62.8
48
19
41.816
100
66.1
48
18
42.108
100
69.8
48
16
41.404
98
78.5
48
15
41.693
98
83.7
48
14
41.981
98
89.7
48
13
42.269
98
96.6
49
19
41.466
100
67.5
49
18
41.757
100
71.2
49
17
42.047
100
75.4
49
15
41.338
98
85.5
49
14
41.625
98
91.6
49
13
41.912
98
98.6
50
20
42.108
102
65.4
50
18
41.404
100
72.7
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
17
41.338
100
78.5
51
16
41.625
100
83.4
51
15
41.912
100
88.9
51
14
42.198
100
95.3
52
20
41.404
102
68.0
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
19
41.338
102
73.0
53
18
41.625
102
77.0
53
17
41.912
102
81.6
53
16
42.198
102
86.7
53
14
41.476
100
99.0
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.