Who cares if it fits,the problem is rather that any non M5 shaft is not designed to take the monster torque....
Even if it fits,a big NO to use it!!!!!!!!!!!!!!!!!!
imagine it breaks apart....depending on the speed it can end deadly........not worth it!!!!!!!!!!!!!!!!
Even if it fits,a big NO to use it!!!!!!!!!!!!!!!!!!
imagine it breaks apart....depending on the speed it can end deadly........not worth it!!!!!!!!!!!!!!!!