Profile: Dimension Edge, Inc. specializes in bicycle engines and motorized bicycles. We are an ISO 9001 certified company. Our products include ENCORE™, DIMENSION EDGE™, MONSTER BICYCLE™ and bike accessories & parts. Our Dahon bikes come in many shapes and sizes. The Dahon "Espresso", 26" folding bike is of exceptional value. The 2006 model is lighter yet stronger. The Espresso boosts touring tires and a shock absorber seat post. Our 2009 downtube folder 20" aluminum fold up bikes are equipped with cold forged crank, sealed cartridge bottom bracket, upgraded stem with auto close & tighter tolerances, wider seat tube for a stiffer & stronger frame, pre-load adjustable transarch designed fork with disc tabs, alloy lower stem, rise handlebars for comfort, & upgraded pedals with a lighter saddle. These are lighter with better sealed bottom bracket, & stainless steel spokes which provide a wider right hand grip for comfort with machined side walls.