Lightest Bike"s" in the World

September 2010 - Spin Custom Light Bike at around 2.7kg (6 pounds)

Specs

• Spin Custom Frame, THM custom fork
• Ax Lightness brake calipers
• B-T-P downtube shifters
• Mythic Crankset
• Ax Lightness custom rims
• Dash prototype hubs
• Basically ... custom everything!

http://www.tririg.com/articles.php?id=1035_Worlds_Lightest_Bike


January 2014 - Sub 9 Pound Crumpton

http://fairwheelbikes.com/c/forums/topic/sub-9-pound-crumpton/