this looks a very promising DIY job!! - although not being able to carry it with you may be a problem
Not able to carry it? Surely it just slots around your neck whilst riding? 
wanna see the size of your neck Zeus! lol 
sounds like a right dweeb:D
He must of had a few bikes nicked over time!!
It’s Mild Steel:w00t:
A good idea poorly executed;)
Interesting lock.
What got me were 2 of the associated videos at the end.
One showing how quickly a steering lock can be broken and the other showing the guy taking off a disc lock with bolt croppers :w00t:
Unless he is a master welder the weld joints are going to be the weak point. Freeze spray and a good lump hammer would probable fracture them.
One word reply - Almax.
Gotta agree with the Almax solution. Proper bit of kit.
:laugh: The actual padlock is so weedy you could drill through it in about 10 seconds, the rest you could angle-grind in half that time. I found this a bit sobering - bike thieves don’t need vans, putting motorcycles in cars and driving off appears to be simplicity itself…
http://www.youtube.com/watch?v=_1yVztl9b74
:w00t: