How to Check If a Bike Is Stolen
Complete guide to bicycle serial number verification. Learn where to find serial numbers and how to check if a bike is stolen before buying.
Bikes stolen annually in US
Recovery rate for stolen bikes
Average value of stolen bikes
Where to Find a Bike Serial Number
Most Common Locations
- Bottom Bracket - Most common location, under where the pedal cranks meet the frame
- Head Tube - Front of the frame where handlebars connect
- Seat Tube - Below the seat post
Less Common Locations
- Rear Dropout - Where the rear wheel attaches
- Down Tube - Tube running from handlebars to pedals
- Chain Stay - Tubes running to rear wheel
For E-Bikes
E-bikes have both a frame serial number AND motor/battery serial numbers. For complete verification, check the motor serial (usually on motor housing) and battery serial in addition to the frame serial.
How to Verify a Bike Serial Number
Find Serial Number
Locate and record the full serial number
Enter in SafeOrStolen
Type or scan the serial number
Get Results
Instant verification against databases
Red Flags When Buying a Used Bike
Bike Verification FAQs
How do I check if a bike is stolen by serial number?
Enter the bike's serial number into SafeOrStolen to check against stolen property databases. Serial numbers are usually located under the bottom bracket or on the head tube.
Where do I find a bicycle serial number?
Most bike serial numbers are stamped under the bottom bracket (where pedal cranks meet). Other locations include the head tube, rear dropout, or seat tube. Check multiple locations.
What databases track stolen bikes?
Major databases include BikeIndex (largest with 1M+ bikes), 529 Garage, Project 529, and police department databases. SafeOrStolen checks multiple sources.
Can I verify an e-bike serial number?
Yes. E-bikes have serial numbers on the frame plus motor/battery serial numbers. For complete verification, check both the frame and motor serial numbers.
How common is bike theft?
Over 2 million bicycles are stolen annually in the US. Only 5% are recovered, making verification before purchase essential.
Verify Before You Ride
Don't risk buying a stolen bike. Free verification takes seconds.