Using this Box Two Prime 9 Speed X-wide Groupset is easy. First, make sure to install it correctly according to the bike's specifications. When riding, shift gears smoothly and steadily to avoid any issues. For maintenance, regularly clean the components to keep them in good condition. Wipe off dirt and grime after each ride. Every few months, lubricate the chain to ensure smooth operation. If you notice any strange noises or problems with shifting, check the components for any signs of wear or damage. Replace any worn parts promptly to keep your bike performing at its best. And remember, when using it on an e-bike, always use the single-release shifter for proper function.