LIST OF COMPATIBILITY THESE TUBES 200x50 BENT VALVE 45/90 (8 INCH) CAN BE SERENTLY INSTALLED ON THE FOLLOWING ELECTRIC SCOOTERS: Airwheel Z3 Inner Tube (Front Wheel)Inmotion L8F (Rear Wheel)Inner Tube Minimotors Futecher Gun (Front Wheel)Inner Tube Minimotors Futecher Gun Pro (Front Wheel)Inner Tube Qi Euni SEE 808 Front Wheel)Inner Tube Smolt and Co X400 (Front Wheel)Inner Tube SpeedTrott GX12 (Front Wheel), Inner Tube SpeedTrott GX14 (Front Wheel), Inner Tube SpeedTrott ST12 (Wheel Av. ant), Inner Tube SpeedTrott ST12-GX (Front Wheel), Inner Tube SpeedTrott ST14 (Front Wheel)Speedway Mini 4 Pro Inner Tube (Front Wheel), Inner Tube Speedway Mini 4 Pro Lite (Wheel e Before) , Inner Tube Speedway Nano (Front Wheel) Inner Tube Speedway Super Mini 4 Pro (Front Wheel)Wiizzee WS3 Inner Tube (Front Wheel), Inner Tube Wiizzee WS3 Max (Front Wheel)Tube in air Xerider -Flex (Front Wheel) If you think this inner tube is suitable for your tires but your brand/model is not listed above, please feel free to send us a message before purchasing.