1. Reasonable sea-land ratio design, to ensure the mileage, improve the anti-slip ability and dry land grip 2. Single guide pattern, low resistance, improve drainage 3. Vibration damping and silent, good resistance, full elasticity, less noise 4. Material: PE 5. Package: OPP bag 6. Applicable products: for Ninebot F20/F25/F30/F40 7. Size: inner tube about 22.5 x 22.5 x 3.5cm, outer tube about 24.7 x 24.7 x 5.7cm 8. Weight: inner tube about 102g, outer tube about 523g 9. Note: only send tires, without other
