| Dual-speed motor, faster dismounting |
| No prying module, solve the flat tire and explosion-proof tire dismounting and scraping troubles, easier operation |
| Box column upper seat and base reinforcement, front closed, dismounting tire column is not easy to be deformed |
| New plastic front cover and base shroud |
| New hand-operated control valve, hexagonal axle running smoothly, comfortable to manipulate |
| Aluminum cylinder, shoveling the tire is more powerful, suitable for all kinds of hard-wall tires, anti-blowout tires |