Marked Down

Shipping Info

Shipping Note: This item usually ships within 1-3 business days. See Shipping Info and Online Return Policy for details.


Item #: 331140860

Foil would-be bike thieves using the Blackburn Sing Sing U Bike Lock, which defends against cut attempts with 12 tons of power, an alloy steel shackle and a pick-proof lock. Blackburn guarantees its strength with replacement programs for lost keys or stolen rides.


  • Bump-proof, Pick-proof-dual-bolt-lock mechanism
  • Three Laser-cut key with replacement program
  • Mounting bracket included
  • $2500 Theft Replacement Guarantee


  • Hexagonal 14mm Alloy Steel Shackle with Anti-scratch liner
  • 12 Tons of cut-strength
  • Security Rating: 10


Sorry, reviews are unavailable at this time