started this project out with a Worksman frame,but when things didnt workout in stepped the replacement Columbia.Picked the frame up from a local builder also the springer from another member then a drive down the street to CHIMICHANGAS shop for all the rest of my rollin needs and it was time to start building! I believe the frame is a 60s columbia Clipper but ive never seen the downtube wrap under the bottom bracket except on a few bmx bikes.Any info would be appreciated and please voice your opinions whether it be good or bad,I like both!Ive got a full wrap rear fender possibly in the works and maybe swapping out the sprocket.But here she is as it sat and now how it sits!!