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46/18 would give you approx 67GI (same as 48/19), which is the recommend ratio for all season.
The other recommendation is to keep the ratio, but add a rear brakes to allow more control on poorer surface.
edscoble-
Thanks.
Sheldons calcuator gives me 72GI for 46/17 on 28-622 and 165mm cranks.
48/19 would be 67GI
42/17 would be 66GI
44/17 would be 69GIso maybe 42/17?
I'm not too keen on changing the sprocket for one with even numbers of teeth, and would like to change only one component of the drivetrain.re rearbrake:
The problem is not slowing down, it's accelerating. If I have to use more force to accelerate, I'm more likely to loose control (or so I think)
Murphy's_Law
So, I've been running 46/17 for the last... year or so, first singlespeed, now fixed.
I like it very much, it's reasonable uphill and I don't spin out on flats. I can't really skid on it though.
But as winter is approaching I'd like something lighter and easier controllable on wet and slippery surfaces. So...
44/17? or even 42/17?