The KRYPTONITE M-18 Heavy Duty, Ultra Secure, Huge-Honkin' U-Locks represent some of the finest locks of any kind out on the market today.

Burly 18mm diameter tubing dares thieves to try and cut it.  If they're dumb enough to try, they'll either need a diamond band saw and the worlds longest extension cord, or a lot of time and hope that no one notices them sawing at a U-lock for 18 hours.

Also doubles as a personal security device as anyone whacked with this thing will not remember anything the next day!

Admin note: These locks are glorious and a great bargain when you consider the cost and hassle of replacing your stolen bike because you were too cheap to buy a decent lock!

• 18mm hardened MAX-Performance steel shackle resists bolt cutters and leverage attacks.
• Oversized hardened steel sleeve over crossbar for double security.
• High security disc-style cylinder
• Protective vinyl coating.
• Double deadbolt locking for extensive holding power.
• Includes 3 keys - 2 new "I" keys and one with a high-intensity LED bulb for convenient, easy unlocking in the dark.
• Sliding dustcover protects and extends cylinder life

• M-18 YELLOW/BLACK - 994572-81mm x 302mm
• M-18 YELLOW/BLACK - 994589-102mm x 261mm