Unveiled: Campy EPS Electronic Tri Components By Aaron HershPublished May 24, 2012 comments Tweet Share Share Print << Back to StoryOpen full size in new window.Campagnolo's chainring design. Campagnolo’s chainring design. 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