Dave Camp has put together another awesome creation. He mounted the dérailleur inside the frame and put a freewheel on the bottom bracket which allows shifting whenever the rear wheel is spinning.
Good job Dave!
http://www.littermag.com/2008/features/featuremenu.php?featureID=1039
Good job Dave!
http://www.littermag.com/2008/features/featuremenu.php?featureID=1039