Cyclocross - Crankset opinions?
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10-06-03, 06:39 AM
i'm planning to get a new crankset, and I've been leaning toward going with something a bit longer. i have 170 mm on my road bike, and 170 on my 'cross bike right now. would i notice much improvement by going up to 172.5? problems? i'd like a bit more of a push going up sharp hills.
[my inseam, by the way, is 77.5 cm, and i have shortish calves...]
10-07-03, 09:21 PM
The problem I have with longer cranks is that I tend to smack the sides of ruts, roots and rocks. I can't tell you off hand what length my cranks are, but I'll check if you are interested. Of course, our courses tend to be fairly rough in parts - yours may be a bit different.
10-08-03, 06:18 AM
our courses seem to be designed by mountain bikers... i thought of the rut problem, but i'm not sure 2.5 mm [1/10 of an inch] will be that much of a problem, and taller riders with 175 mm cranks don't seem to have much trouble...
in any event, i ordered a 172.5 mm crankset. i'm looking forward to seeinbg it friday. thanks.
10-08-03, 06:44 AM
my wife can tell the difference between a 172.5 and a 175 in less than a mile of riding. She's a 5'6 american longstemmmed beauty.
It seems that cranklength is more a function of thigh length than total leg length.
The above being said, you really need to try riding a 170, 172,5 and 175 to see which feels better.
The difference in length will not have much impact on gearing but more in your cadence and bike feel.
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