I'm using a smaller Krypto. lock, but the larger lock would be a little tight. Check out http://outyourbackdoor.com/article.php?id=198. drop jeff a line I'm sure he can help with any questions you have...

Oh, the water bottle is a Zefal 800 Alu. Great to toss at rude motorist,dents but still usable... http://www.xxcycle.com/php/boutique/...4&FROM=froogle