Aside from a tailored fit, custom frame builders afford an adaptability to market forces that brands who rely om mass-production can only dream about. Case in point: SingleBe Bikes from the Czech Republic and their belt-driven, Cannondale Lefty-equipped S
Amazing Bike Lawn Mowers, article by Warren McLaren on Treehugger. Too funny. I believe that when I saw one of these in some old friends yard ( you know who you are), it was called, A Redneck Lawnmower.