Old 02-21-10, 08:13 PM
Join Date: Feb 2010
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Changing out a double for a compact double or triple

I am interested in buying a bike from a friend. The only thing holding me back is it has a Shimano 105 39/53T Chainring.

I really need to minimally be using a 34/50 compact or a triple with a 30.

My question is, what are the costs associated with changing that out? I assume that it would involve a change of the 105 front derailleur to go triple. Can I simple change out the rings and not the cranks if I go for the double?

I know my friend will give me a deal, but I do need to consider the additional cost.


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