Used Trek: checks before buying
France
Illustrative photograph.
Record the complete frame number and have the model checked if documents or specifications do not match.
Find the frame label
Trek France’s registration page describes a barcode label underneath the frame near the bottom bracket. Many numbers begin with WTU. Photograph the complete number and its location.
This prefix helps locate the number; it is not an authentication rule. Copy the actual characters and check them on the frame when meeting.
Confirm the model and its history
Ask for the exact model, size, model year, purchase date and available records. Compare the frame references with documents and manufacturer archives. A receipt for wheels or a drivetrain does not, by itself, document the purchase of the frame.
If details conflict, ask a Trek dealer for help and supply the number, photographs and seller’s information. Distinguish replaced components from differences in the identity of the frame.
Understand manufacturer registration
Trek describes registration as a way to record the number and receive product information. Do not interpret it as a public search of every stolen bike or sufficient proof of the right to sell.
Ask separately about the warranty conditions for a used bike; its presence in an account alone does not establish cover.
Before paying in France
Apply the general checklist: check the status of any registered marking, complete its transfer and keep the sale documents. Check model recalls too and have reported damage or repairs assessed. A consistent number does not establish the bike’s present condition.