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Old 12-20-12 | 03:29 PM
  #10  
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gerv
In the right lane
 
Joined: Dec 2005
Posts: 9,556
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From: Des Moines

Bikes: 1974 Huffy 3 speed

I'm swapping out a 42/52 double to a 36/48. Rear cog is 12/34. That should make a huge difference. But from 42 to 44... I wouldn't do it unless I just happened to have a 44 in my bin.
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