It certainly shifts well. However, I have fine tuning to do as:

(a) Not getting enough chain tension to the point where the top of the chain between freewheel and chainring is 100% straight,
(b) I'm using an Atom Compact 6-speed freewheel and I am not getting it to shift to the 6th cog,
(c) Not quite certain what the correct shift level tension should be, particularly to prevent slipping -- note that, in the smallest cogs, there are TWO springs pulling on it.