Where can I find the serial number on my bike? May 02, 2020 19:31 It's on a silver-colored sticker on the rear dropouts, under the barcode. Related articles Do ebikes work in cold weather, rain, or on hills? Bike Security: Protecting Against Loss or Theft What type of valves are used on your ebikes I've recently had a flat tire, is it covered under warranty? Are these bikes legal in my state? Comments 0 comments Please sign in to leave a comment.