I run dura ace or phil cogs and have never needed a spacer. They do look rad, are damn light in reality for off le peg and although I haven't been running mine on London streets they are my wheel of choice for when doing nice longish countryside rides and on the track.
I run dura ace or phil cogs and have never needed a spacer. They do look rad, are damn light in reality for off le peg and although I haven't been running mine on London streets they are my wheel of choice for when doing nice longish countryside rides and on the track.