Old Thumpers (Page 1/1) MidEngineManiac MAR 09, 09:22 AM I went looking for some old frame dimensions to steal ergonomics, and stumbled on this. There is a lot of neat stuff there. https://oldthumpers.wordpress.com/2012/02/18/tech/ williegoat MAR 09, 11:54 AM Very cool! I love those old scoots.