QR code (which includes your bike's serial number) location on the bike Kathryn Brower June 26, 2023 11:40 Updated The QR code (which includes your bike's serial number) is located at the bottom of the bike frame under the pedals. Related articles How would this bike do on hills? How do I start my Vela 2? Can the bike support a child seat (assuming up to age 5/6) in the back with the rear aluminum rack? Comments 0 comments Please sign in to leave a comment.