Originally Posted by tmotten (Post 436592)

Bike ignition locks are the biggest joke around security wise. All you have to do is cut the cables just below the mechanism and connect two wires and away you go. The TTR has the mechanism housed in the frame so it doesn't work on that one, but most are just at the handlebars.

I agree with chains. I don't mind a thin one though to add a nuisance to tie both bikes together or put through my jacket etc.

Can't say I've heard issues related with disk locks, so I'm holding onto that concept with some confidence.