17mm hex

[skellyo]

Originally Posted by JERRY2KONE

Whats wrong with the Ofna adapters? (http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXXE06) $22 for a set or 4 is reasonable in my opinion, and they seem to work just fine. I only use them for bashing, but I have had no trouble with them yet. Integy also has some as well, but not too many people support them in here.

The Ofna hubs would be my recommendation as well.