The Headset Bearing Cup is designed for Dualtron electric scooters with a standard folding system, lower hinge, and bottom screw. It ensures smooth scooter steering operation. Each package includes one Headset Bearing Cup. Compatible with various Dualtron models, including Thunder, 3, Compact, Ultra, Ultra 2, Eagle, Eagle Pro, New, Raptor, Raptor 2, and Spider Limited. Note: Each scooter requires two cups. Verify compatibility with your scooter's model before purchase, as specifications may change without notice. This is a Genuine Minimotors Product.