The arrests relate to an incident on 22 May outside a bar on Arawa Street, in which 14 members of the public were assaulted.
The men, all Hells Angels gang members ranging in age from 25 to 57, are facing charges including rioting, wounding with intent and assault with intent, Detective Sergeant Caroline Wharton said.
This follows 11 arrests made yesterday after search warrants carried out in Waitematā and Whanganui.