Where do I find the serial number on my bike? Michael DeVisser August 25, 2015 13:03 Updated Follow Locate the serial number of your bike: Under bottom bracket: On top or underside of kickstand bracket: Related articles Do I need to pedal? Where can I purchase an OHM? 2017 Order FAQ How do I assemble an OHM Electric Bike? Is it possible to retro fit new 48V battery on older OHM bikes? Comments 0 comments Please sign in to leave a comment.