Code: Select all
34 36 39
23 19.1 20.2 21.9
24 18.3 19.4 21.0
25 17.6 18.6 20.2
26 16.9 17.9 19.4
27 16.3 17.2 18.7
28 15.7 16.6 18.0
29 15.2 16.0 17.4
30 14.7 15.5 16.8
31 14.2 15.0 16.3
32 13.7 14.5 15.8
The above tablle is speed in (km/h) at 3 different big rings 34/36/39 using 100RPM.
The table is for 23-32 on the back.
Here is the same table calculated at 40RPM
Code: Select all
34 36 39
23 7.6 8.1 8.8
24 7.3 7.8 8.4
25 7.0 7.4 8.1
26 6.8 7.2 7.8
27 6.5 6.9 7.5
28 6.3 6.6 7.2
29 6.1 6.4 7.0
30 5.9 6.2 6.7
31 5.7 6.0 6.5
32 5.5 5.8 6.3
I just used http://sheldonbrown.com/gears/" onclick="window.open(this.href);return false;" onclick="window.open(this.href);return false;" onclick="window.open(this.href);return false;" onclick="window.open(this.href);return false; to caclulate it