The in-line design allows for greater speed than roller skates and better maneuverability. Inline skates are designed specifically for those individuals who seek to utilize their skates for getting in shape, or skating very frequently.Variances between recreational and inline skates exist in the bearings, wheel size, and overall weight. Inline skates will typically have faster bearings and larger wheels to generate speed for lengthy skates. Inline skate boots will likely be more comfortable due to liner construction, as well as circulate air better via ventilation differences.Inline skates offer numerous advantages when it comes to exercise, most notably, it is not boring! Skating is a fast-paced, exciting activity that offers a lot more than your treadmill or yoga ball will. Furthermore, inline skating is a low impact activity that will generate little wear-and-tear on your joints and bones. Also, inline skating can burn as many calories as running. The list of benefits is long, but the bottom line is that inline skating is a great fitness activity. If you plan on using your skates to get in shape via long, fast skating adventures, then fitness skates are likely the best option for you. Maintance instrunctions children should wear protection body guards and use it under the supervision of adults. Do not slide in motorway and dangerous areas in order to aviod accidents. Regularly check whether the screw in loose. When the wheel is used for a certain period of time, you can adjust the position to extend the service life. Bearing should be regularly checked for maintenance so as to keep the best working condition. Do not immerse the wheel in water and aviod direct sunlight.