The 5-hole freewheels, mounting bolts, and 5-hole freewheel 1" axle adapters are sold on this page: https://www.electricscooterparts.com/bicyclesprockets.html
All of the other parts are sold on our website under the part type that they are: https://www.electricscooterparts.com
If you run into any problems finding the parts on our website please let me know and I will post links to them here.
Kelly Driskell