Description This 40″ scooter speedometer cable may not be compatible with your model, even if the original cable is 39″. Please compare the ends of your original cable against those in the picture to determine compatibility. All scooter speedometer cables are measured by laying flat and measuring entire length and not just sleeve length. Specifications Length: 39″ Compatibility Jonway YY50QT-21 2-Stroke Jonway YY50QT-21 4-Stroke KYMCO Agility 50