Originally Posted by
corrado33
If your double does that for you then you obviously don't have large downhills in your area (or simply don't care to go fast down them

).
I spin out of my big ring on my double even though when I'm cruising I'm usually on the upper half of it (larger cogs.)
Also, with a double you run into THIS problem.
My bike came with a 50 tooth big ring.
I spin out of it even on moderate downhills. Therefore I want a bigger big ring. BUT, when I'm cruising on flat ground, I'm usually in the 3rd or 4th biggest cog. If I get a bigger big ring, I'd be in the 2nd or 3rd, definitely cross chaining. There's no good "middle ground."
I LIKE having a triple. And that's the reason why I'll continue using them. (When I have a choice and didn't buy the bike on sale, like the aforementioned bike.)

you need to learn to spin. 50x11 at 110rpm is 40 mph. Above that, you're pretty much better off tucking and coasting.
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