Are foam inserts are requirement, or a 'nice-to-have'?
I've ordered the 501 hubs, and Tamiya high-density tyres, but not sure if I need foam inserts, and if so which ones!
http://www.tamiyausa.com/product/ite...oduct-id=51240
and
http://www.tamiyausa.com/product/ite...oduct-id=53986
refer.
Thanks!