crops K4-BIRO | Shape-memory cable lock combining ease of use and reliability

Long, flexible, and dependable. A durable lock perfect for everyday use.

Do you want to secure your bike to a pole or fence in a bike parking lot, or even to a distant fixed object, with plenty of leeway? crops' "K4-BIRO" was designed to achieve just that everyday convenience.

Utilizing our unique shape-memory cable "BIG-BIRO," it's designed to resist stretching out, a common issue with typical coiled locks. It maintains ease of use even after repeated use, supporting smooth locking and unlocking.

The 1800mm long cable offers flexible usage, allowing you to secure both the frame and wheels together, or wrap it around large fixed objects. Furthermore, by combining it with the separately sold LION ALARM, it can be operated as a lock with an alarm function. This highly practical lock is active in a wide range of scenarios, from daily city rides to touring.

Features

• Uses "BIG-BIRO" shape-memory cable to prevent stretching
• 1800mm long cable for securing to distant fixed objects
• Length suitable for securing both frame and wheels together
• LION ALARM (sold separately) compatible for adding an alarm function
• Lock can be used independently even when alarm is charging
• Includes 3 dimple keys for superior security
• Includes universal bracket for easy attachment to the bike
• Designed to be easy to use as both a main lock and a secondary lock

SPEC

• Product Code: K4-BR180B
• Product Name: K4-BIRO
• Color: Black
• Lock Type: Key Cylinder
• Cable: 4mm Double × 1800mm (BIG-BIRO Shape-Memory Cable)
• Head Size: 170 × 33 × 18mm
• Weight: 340g
• Accessories: Dimple Key × 3
• Included Bracket: ZP-BKT006N (Universal Bracket)
• Brand: crops

In practice, the 1800mm length is surprisingly convenient. It easily adapts to varying distances to fixed objects at parking spots, offering a high degree of freedom in locking.

The BIG-BIRO cable also bundles up easily when stored, reducing the stress of coils stretching out and becoming unmanageable. The expandability with LION ALARM compatibility is also appealing, making this model highly versatile, from a main lock for city riding to a secondary lock for touring.