youYou should get as light a bike as possible. they
They tend to go faster. whenWhen you go fast, cycling is more fun. whenWhen it's fun, you will do it more. whenWhen you do it more, you get fit fastfaster. it's
It's also more expensive to get a light bike. whenWhen people spend lots of money, they tend to use their bikes more. andAnd you'll look so much more awesome when you get fit if you have an awesome bike. that'sThat's theory. the practiseThe practice is that youllyou'll buy something less spectacular and save some cash. the
The math formula somewhere is nice and very correct, but you know what it really says: if you have a light bike and do the same ammountamount of work as someone with a heavy bike, you'll fly past him and humiliate him with your awesome climbing powers. ifIf that's not a reason to get on that awesome carbon fibre wonder (and get very fit), i dontI don't know what is.