It's really not WAY out of adjustment, in reading others' experiences with Sora, it seems to be a more prevalent issue. I have to be really easy with the shifter going from big to middle. It's hard to explain, but it just takes a lot of constant adjustment and I've been told that the higher level components, once properly adjusted- a crucial point, are more reliable and noticeably smoother. I can usually get the Sora tuned in on the rack and once out on the road, sometimes I can go for a couple rides and be pretty much OK or sometimes I'll be five miles down the road and the damn thing will be freaking out.