rear spindle tool?
 

I have an ST alloy swingarm on my M620, which has hollow rear spindle. It has nut one side, what looks like torx b it the other - but its huge!! I fitted it without anything holding the spindle while I tighten the nut but that cant be right...is there a special tool or size of bit I need and can get?

Ive got some big torx bits you could borrow mate

It is right!

Just tighten the nut.......

thanks, it worked but wasn't certain if it just does it with holding the other end steady, if you know what I mean