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  • By Aaron Hersh
  • Published Aug 31, 2012
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The non-drive crank arm has the same power measurement system as the drive side. Photo: Aaron Hersh

The non-drive crank arm has the same power measurement system as the drive side.

Liz Hichens is the Web Producer of Triathlete.com. She is an Ironman and marathon finisher and fan of all endurance sports.