decision...to get a triple or compact double

[Cataboo]

I'll say it another way:

On your current bike, do you ever find that you just can't find the right gear? You're either pedaling too fast or too slow? Then a triple is for you, because a compact will potentially give you that problem in almost every gear, where a triple will do it in only maybe one or two.

If not, you're probably fine with a compact.

I run a compact (50/34) with a 11-25 cassette in the back... and I can't say that I ever have a problem with feeling that I can't find the right gear. I don't have a problem with a 10 speed triple doing that at all either.

Now, I could see if I was running a compact double with an 11-37 or something on it that I'd have that issue with hunting for gears.

I run a 53/42/30 triple with an 8 speed mountain bike rear cassette on my surly and I quite often find that I can't find the right gear on that.