Originally Posted by
CB HI
Think of how many times you have anticipated and performed a down shift just before beginning a climb; especially mountain biking. "Automatic shifter" is just one more fail in my view.
Pretty much the same reason they're a fail in cars. Though at least on bikes, automatic shifting is somewhat less likely to encourage habits as bad as it has in cars; I've yet to see anyone eating
with both frickin' hands while riding a bike in city traffic.