








🔐 Lock in your ride, lock out the worry — because your bike deserves Kryptonite-level protection!
The Kryptonite Keeper Bike U-Lock Standard combines a 12mm hardened steel shackle with a double deadbolt anti-rotation design and a 4ft braided steel flex cable, delivering heavy-duty, versatile anti-theft security. Featuring a disc-style cylinder and a convenient click-style mounting bracket, this lock offers professional-grade protection and easy transport for serious cyclists.






| Manufacturer | Kryptonite |
| Part Number | 4370 |
| Item model number | 004370 Keeper 12 STD & KryptoFlex 410 |
| Size | One Size |
| Colour | Black |
| Style | Keeper 12 Standard W/Flex |
| Finish | Painted |
| Material | Alloy Steel |
| Pattern | One size |
| Shape | Cylinder |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Cutting Diameter | 12 Millimetres |
| Plug profile | Included |
| Special Features | Fob Unlock |
| Included Components | Lock, Flex cable and keys |
| Batteries included? | No |
| Batteries Required? | No |
| Assembled Diameter | 12 Millimetres |
| Item Weight | 930 g |
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