Thread: Double vs. Triple on the Chainrings
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Old 07-07-06 | 05:18 AM
  #29  
Al f R
Wrong Side Of 50
 
Joined: Apr 2006
Posts: 41
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From: NSW Australia

Bikes: Flat Bar Rd 06-105 30s50/39/30 12/25

Originally Posted by bccycleguy
Remember the road triple granny is a 30T, almost the same size as the 32T that you probably have as the middle ring on your Rockhopper.
.....not to mention the smaller circumference of the MTB tyre!
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