i have been at karina's twice and i read about the fight. they are not top biker one of them is jean-francois emard and he is fake read this or translate it.
http://www.journaldemontreal.com/2016/07/22/des-rock-machine-en-furie-contre-francis-gauthier-1
http://www.journaldemontreal.com/2016/12/03/il-na-jamais-ete-chef-des-rock-machine
https://www.facebook.com/TOM-Hermann-1606749716274484/