Check this WOODEN bike

[tomb]

Chain and all!
Built by a 16 year old, no less!
awesome engineering, check the "freewheel"
http://www.leevalley.com/newsletters/Woodworking/2/3/article1.htm

 

[moparmayhem93]

AWESOME!
very impressive!

 

[armandgil]

Wow, makes my wood mallet look like child's play. :mrgreen: