48v450w/60v650w chain mid bike kit http://www.gngebike.com/apps/photos/ 48v450w/60v650w chain mid bike kit http://www.gngebike.com/apps/photos/photo?photoID=187887899 187887899 http://www.gngebike.com/apps/photos/photo?photoID=187887900 187887900 Roger's E-MTB Built on a Giant Anthem X3. 15s4p 18650 Li-Ion battery powering GNG 60V650W chain reduction mid drive kit. http://www.gngebike.com/apps/photos/photo?photoID=194001576 194001576 Roger's E-MTB Close up of controller and removable battery box. http://www.gngebike.com/apps/photos/photo?photoID=194001577 194001577 http://www.gngebike.com/apps/photos/photo?photoID=194945259 194945259 http://www.gngebike.com/apps/photos/photo?photoID=194945260 194945260 http://www.gngebike.com/apps/photos/photo?photoID=194945261 194945261 http://www.gngebike.com/apps/photos/photo?photoID=194945262 194945262