Using the Grin V3 Rear Quick Release Axle Adapters is easy. First, make sure your bike has a standard 135mm slotted dropout. Then, align the adapter with the dropout and insert the axle through the adapter. Use the quick - release mechanism to tighten it securely. When removing, simply loosen the quick - release. As for maintenance, regularly check the adapter for any signs of wear or damage. Keep it clean and dry to prevent rust. If you notice any issues, replace the adapter promptly to ensure your bike's safety and performance.