Thread: Replacing the middle chainring - 39t to 42t? (Shimano)
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Old 06-29-10 | 07:30 AM
  #13  
bradtx
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Joined: Jun 2010
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From: Pearland, Texas

Bikes: Cannondale, Trek, Raleigh, Santana

MarkN, Take a look at the Sheldon Brown links sticky at the top for some gearing info. There's a wealth of info there.

Brad
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