Using this wheelset is easy. Just install it on your 27.5 mountain bike following the standard procedures. Make sure the hub dimensions match your bike's requirements. When riding, enjoy the improved handling and stability it provides, especially on downhill tracks. As for maintenance, regularly check the spokes for tightness and the rim for any signs of damage. Keep the hub clean and lubricated to ensure smooth operation. Also, remember that the warranty only covers the rim, so take good care of it. If you have any issues or questions, don't hesitate to contact the manufacturer.