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1. Check if all the screws are locked and tightened properly. 2. Inspect if the rubber ring has slipped out of the groove. 3. Ensure that the two o-rings (small) are in the correct position (pressed down to the bottom).
1. Check if the pump nozzle is coated with silicone oil. 2. Ensure that the silicone tube is installed all the way. 3. Verify if the inflation exceeds the standard (set at 14 pumps).
1. Check if the piston and gears are installed correctly. 2. Ensure that the front and rear wheels are pressed down completely.
Shipping Instructions