Hang On! by Nine13sports | Jul 23, 2012 | Blog | 0 comments Think these guys were trying to find new physical limits of how strong they are on the bikes? Share this:FacebookTwitter Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.