Thread: When is low gearing too much?
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Old 09-19-13 | 09:27 AM
  #22  
Tourist in MSN
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Originally Posted by Fullcount
Okay, that gives me about 20 gear inches. I am a novice at determining compatibility with different set ups. Is this a Shimano chainring? Model? I currently have a 27 speed set up.
I assume you have a 5 arm triple with a 74mm bolt circle diameter granny gear.
http://sheldonbrown.com/harris/chainrings.html

There are lots of manufacturers that make a 74mm, 5 hole, 24t chainring. Any bike shop should be able to order one. I did not pay a lot for mine.
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