I was reading an interesting take on motorcycle security from an ex-thief (if you can be 'ex') where the advice was to fit Disc Locks to the rear wheel discs, thereby making the bike more difficult to move...... Up until today I have always attached mine to the front 
So, as per the title, where do you fit yours?
J

So, as per the title, where do you fit yours?
J
but i cant on my present bike so i stick it on the front
But your 'ex' thief mate may also tell you about the 'lift rea rear wheel onto skate board slide nearer van then lift' method. so front easier and visible