FIXEDFORUM.it
fixed gear calculator
cog
13t
14t
15t
16t
17t
18t
19t
20t
21t
22t
chain ring
32t
33t
34t
35t
36t
37t
38t
39t
40t
41t
42t
43t
44t
45t
46t
47t
48t
49t
50t
51t
52t
53t
54t
crank length
160mm
165mm
167.5mm
170mm
172.5mm
175mm
tire
26 X 1.0 (559 mm)
26 x 1 (650C)
26 X 1.5
26 X 1.9
26 X 1 3/8 (590 mm)
27 X 1
27 X 1 1/8
27 X 1 1/4
27 X 1 3/8
26 X 2.125
700 x 21
700 x 23
700 x 25
700 x 28
700 x 32
700 x 35
700 x 38
700 x 44
700 x 50
700 x 56
narrow tubolar
wide tubolar
gear ratio
gain ratio
gear inches
development (meters)
development (inches)
skid patches
skid patches (ambi)
speed calculator (rpm)
rpm
km/h
mi/h
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
160
165
170
175
180
185
190
195
200
speed calculator (km/h)
km/h
rpm
mi/h
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
speed calculator (mi/h)
mi/h
rpm
km/h
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80