Joined: Sep 2005
Posts: 3,550
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From: "The Last Best Place"
Bikes: 2005 Trek Pilot 5.0, 2001 Specialized Sirrus Pro, Kona Lava Dome, Raleigh hardtail converted to commuter, 87 Takara steel road bike, 2008 Trek Soho
Originally Posted by
bragi
they don't improve performance on level ground at all.
maybe not for you.....you apparently don't attempt to spin?
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