> I'm surprised at that -I got a good 2 mph extra after swapping knobblies for slicks, but these
> were Nokian City Runners. Got loads of punctures though.
Well, my weekend ride to my girlfriend's took 1hr 26m as opposed to the usual pretty consistent 1hr
30m. So slight difference maybe but not worth the jolts and the lack of grip on the muddy bit of the
cycle track.