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Your Bike Maintenance Schedule

  • By Aaron Hersh
  • Published Aug 22, 2013
  • Updated Aug 22, 2013 at 8:59 PM UTC
Photo: John David Becker

Chain

Type-A: A chain wear indicator such as the Park Tool CC-3.2 Chain Checker measures how far a chain stretches over time. According to an independent test conducted by Friction Facts, a lab in Boulder, Colo., the energy required to spin a chain increases steadily with wear. Replacing your chain once it reaches the 0.5 marker on the tool will help preserve the other more expensive drivetrain components and save you a little drag.

Procrastinator: The 0.75 mark on the Park Tool Chain Checker is the sign that a chain must be replaced to prevent sloppy shifting and undue component wear.

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FILED UNDER: Bike / Gear & Tech / Getting Started

Aaron Hersh

Aaron Hersh

Aaron Hersh is the Senior Tech Editor of Triathlete magazine. To submit a question, write Aaron at Ahersh@competitorgroup.com.

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