How would I make a makeshift flex wheel insert?

[jpearman]

Please use forum search, this has been discussed many times before. One topic here.

Flex Wheels Updates From VEX

Flex Wheels seem to be a popular topic so far this season… VEX would like to address a few things regarding Flex Wheels, VersaHex Adapters, VersaHubs, and alternatives, so that teams can plan ahead. When will Flex Wheels, VersaHex Adapters and VersaHubs be back in stock? The short answer is soon. VEX expects that by late November all backorders will be shipped, and Flex Wheels, VersaHex Adapters, and VersaHubs will be fully back in stock. I have Flex Wheels, but I need VersaHex Adapters or V…