Originally Posted by
fietsbob
"Corn cob" clusters, increases by just 1 tooth at a time..
race bike stuff .. 11 to 23?
11-23t = (11,12,13,14,15,16,17,19,21,23) ICS670010123
....
Nope. That has a gaping 2-tooth hole between 17 and 19 cogs.
11-12-13-14-15-16-17-18-19-20 would be a corn cob although having ridden a 14-23 straight block I'd opt for a 21 large cog.