Ulac Rockbros Bicycle O Ring Lock diameter 12mm, weigh about 240g, easy to carry & Portable, free-hanging on handlebar/seat/frame can easily carry in backpack. Don’t worry about unintentional loss. High-Quality Material, Heavy-duty zinc alloy lock cylinder + 12mm bold steel cable, zinc alloy really solve the problem of not working properly due to rust. PVC coating helps prevents scratching your bicycles.

High-strength zinc alloy bicycle lock with 1/2”(12mm) braided steel cable, high tenacity for strong cut resistance. Strong zinc alloy anti-theft lock core, reject technology unlocking, and increase the safety factor.

Features:

• About Diameter 12mm, length 30 cm, about 240g
• Zinc Alloy + PVC
• Locking not require a key, only takes one second to press
• Black Color Only
• Anti-corrosion
• Small and portable