_DSC7098 By Aaron HershPublished Aug 31, 2012 comments Tweet Share Share Print << Back to StoryOpen full size in new window.The top tube is elevated to shield the rear of the stem. Photo: Aaron Hersh 5. The top tube is elevated to shield the rear of the stem. comments Tweet Share Share Print Liz Hichens is the Web Producer of Triathlete.com. She is an Ironman and marathon finisher and fan of all endurance sports.Follow @lizhichensFollow on Google+All articles by Liz