Old 02-20-15, 10:09 AM
  #45  
fietsbob
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What size wheels/tires are you using?
This: R'off IGH 526% range when in a 20" wheel a 16:53t is like the range of a 16:38 .. About 18" to 90".

because of the different wheel size.. 20" wheel , 16t cog & 39_53 double chainring will give you that super low gear .

Last edited by fietsbob; 02-20-15 at 10:14 AM.
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