Pedal Power By Aaron HershPublished Sep 15, 2011 comments Tweet Share Share Print << Back to StoryOpen full size in new window. These pieces can only transmit to Polar’s 500 or 600 series computers. comments Tweet Share Share Print Aaron Hersh is the Senior Tech Editor of Triathlete magazine. To submit a question, write Aaron at Ahersh@competitorgroup.com.Follow @triathletetechFollow on Google+All articles by Aaron