Trek's latest special build is a 6.4kg UCI illegal Madone - Should more brands be making lightweight bikes for those of us who don't race UCI sanctioned races? We may earn a commission when purchasing through affiliate links in this description. Subscribe to Cycling Weekly here: https://www.youtube.com/user/CyclingWeekly1?sub_confirmation=1 More at: Cycling Weekly: http://www.cyclingweekly.com Facebook: https://www.facebook.com/CyclingWeekly Instagram: https://instagram.com/cyclingweeklymagazine Twitter: http://twitter.com/cyclingweekly Email: cycling@futurenet.com #cycling #bikes #bicycles