Start with the exact vehicle
Send the manufacturer, model, year or version, and clear photographs of the existing part. Similar-looking scooters can use different assemblies. Separate mechanical replacement parts from batteries and chargers, which require their own compatibility and transport checks.
Read the complete tyre marking
For a bicycle tyre marked 37-622, the ETRTO figures indicate 37 mm width and 622 mm inner diameter. Inch labels alone can be ambiguous. Photograph every marking; also check the rim, permitted tyre width and frame clearance against the manufacturer’s specifications. For scooters, request a model-specific match instead of relying on the advertised wheel size.
Check the tube and valve
Ask for the tube’s supported tyre-size range and valve type, length and angle. Compare these with the rim and access for inflation. Confirm whether the assembly is tubed, tubeless or solid; these are not interchangeable by appearance. A listing that says “universal” is not a compatibility confirmation.
Identify the brake assembly
Photograph the brake model marking and ask a qualified repairer to identify the required pads or other components. Request a part number or dimensional drawing, material specification and a written model match. Braking components need suitable installation and a functional check by a competent repairer before use.
Order a sample and compare total cost
For a repair shop, prepare a table with one row per vehicle, part number, specification and quantity. Agree which dimensions and markings the warehouse can inspect. Confirm the sample fit before repeating an order. Add domestic freight, inspection, packaging and international freight to the comparison; a local spare may be the practical choice for an urgent repair.
Sources and scope
Sources provide context and specification examples, not seller endorsements or evidence of testing by our team. Conditions for each order are checked separately.