Kryptonite Keeper Standard U-Lock 12mm
Heavy-duty 12mm U-lock with high-security design for securing bikes and gear. Customers note sturdy build and good value, with some reports of key sticking and occasional latching issues
Highlights
- 12mm hardened steel shackle
- Multi-purpose security for various items
- Quality build with value
Pros
- 12mm hardened steel shackle
- High-security design
- Versatile use for bikes and gear
- Solid build quality
- Good value for money
Cons
- Lock stability may be problematic
- Key may not turn smoothly
- Durability concerns with repeated use
Best For
Features
- 12mm hardened steel shackle for high security
- Resists cutting and leverage attacks
- Versatile use for securing bikes, sports equipment, gates, and more
- Interior locking dimensions: 4 in. x 8 in
