Blackburn San Quentin U-Lock
18mm hexagonal hardened alloy steel shackle with anti-scratch coating. Hexagonal shackle won’t pivot out of the way after a single cut, doubling breaching effort.
- 16 tons of cut resistance
- Dual-bolt lock mechanism engages both shackle ends
- Lock mechanism is impervious to bump keys and picks
- Three laser-cut keys with key replacement program
- Mounting bracket included
- $4,000 Theft replacement guarantee by Blackburn (Offer is only eligible in the US)
- 199mm X 102mm
- Security Rating: 11
Hexagonal Shackle Design:
- Prevents the shackle from spinning, effectively doubling its resistance to cutting and leverage attacks.
Dual Bolt Lock Mechanism:
- Engages the shackles on both ends and is also bump-proof and pick-proof.