Perfect for bicycle or power sport use, these high security U-locks provide tenacious protection for all but the most extreme situations.

Quattro lock mechanism with Dual Lockdown Protection pins the beefy 13mm ultra-hardened steel shackle at both ends creating a double lock that can withstand up to 8 tons of pull force while the newly designed M-Cylinder provides an added level of security and ease of use.

Other great features include rubber and vinyl coatings to protect painted surfaces and the new All-Tube universal mounting bracket that fits virtuallly any bicycle tubing from 20mm to 42mm. We've also included a solid anti theft protection plan.

• Utilizes OnGuard's new ultra steel shackle, M-Cylinder technology and Dual Steel Bar lock mechanism
• Delivers up to 8 tons of pull strength
• Includes 4 laser cut keys and 1 light key for night time use
• 13mm hardened ultra steel shackle. Double bolt locking mechanism. Vinyl coated and weatherproof
• Size: 127mm x 230mm (5 x 9) Weight: 3.02 lbs