Abus Ultra U-Lock

The shackle is made from temper-hardened steel, which is specifically treated to resist cutting tools like bolt cutters and hacksaws. At 12mm thick, it offers a significant barrier that forces potential thieves to spend more time and effort to compromise the lock.

Double-bolting means the shackle is locked into the crossbar at both ends rather than just one. This design is crucial because it prevents the shackle from being twisted or leveraged open, which is a common technique used to break weaker locks.

Yes, the SH mounting bracket is designed for straightforward attachment to your bike frame. It allows you to carry the lock securely while riding, keeping it off your back and out of your bag.

This U-lock is a solid, reliable choice for daily commuting and general urban use. While no lock is completely theft-proof, its hardened steel construction and double-bolting mechanism provide a strong deterrent that is well-suited for most city environments.

Yes, Abus typically includes two keys with this lock. We recommend keeping one in a safe place at home as a spare in case you lose the primary key.