Old 06-23-19 | 06:08 PM
  #7  
MikeWMass
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Joined: May 2012
Posts: 730
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From: western Massachusetts (greater Springfield area)

Bikes: Velosolex St. Tropez, LeMond Zurich (spine bike), Rotator swb recumbent

I use a chain checker, and change at .75. As I said, I've never had a problem with chainrings. I was still running the original cassette (13 years, 2-3K miles/year) with no problems.

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