Old 02-07-23, 08:13 AM
  #2  
GhostRider62
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Join Date: Apr 2021
Posts: 4,083
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If you have a cheap drivetrain and don't care about a couple of watts? Waste of time.

Expensive drivetrain? Real cost savings.

Expensive would be $400 cassettes and $881 chain ring sets. Cheap would be $40 cassettes and $100 rings in my book
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