Thread: Converting Road Bike 3 X 10 To 1 X 11
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Old 02-16-19 | 02:21 PM
  #23  
fietsbob
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Joined: Jun 2010
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From: NW,Oregon Coast

Bikes: 8

Cyclocross racing has long had a single chain ring option for some of their courses... no lower gear needed if running is faster..





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