EC21 Product Catalogs - e bike 100km http://www.ec21.com/ec-market/e bike 100km.html Clutch Control Serieshttp://bicycleengine.en.ec21.com/Clutch_Control_Series--3011998_3012036.html100km 2.0L/100km 2.5L/100km net weight 6.5kg 7kg 7.5kg Cooled type Air cooled limit speed 20081119 Electric Bicyclehttp://sunyanecho.en.ec21.com/Electric_Bicycle--3060241_3103463.html100km: 1.2Kw/h run distance:electrically 45Km, dynamically 60Km weight: 26Kg starting mode:electric or kick type: Lead20081028