Team Durango Help!

[av4625]

I no this has been covered all before but a little help would be vey much appreciated because i cant find the exact part numbers or links i want.
My problem is the durango ball cups and from the threads i have seen losi ball cups and schumacher balls is this correct? would these ball cups work?
http://www.wheelspinmodels.co.uk/i/26171/
And could someone be so kind to post a link to the schumacher balls or balls that i need to work.
Thanks so much if you can help!