Old 01-28-11 | 01:53 PM
  #4  
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urbanknight
Over the hill
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Joined: Mar 2006
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From: Los Angeles, CA

Bikes: Pinarello Nytro, Momentum Transend

The R540 is an older design. It has a tad less surface area, and the contact pad is stick-on plastic instead of metal. Other than that, not much difference.
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