Upgraded Wide & Thick Silicone U-LockSTRONG & DURABLE This bicycle U lock is crafted from 14mm high strength alloy steel with a zinc alloy lock cylinder and soft silicone coating. It is significantly stronger than traditional cable lockseven 12 ton hydraulic shears cannot cut through this U lock. DOUBLE PROTECTION ROCKBROS U locks feature a double bolt locking mechanism. This dual opening design provides an extra layer of security, making it twice as difficult for thieves to break.

It disperses forces efficiently

Reflective Details for SafetyReflective elements enhance visibility in low-light conditions

making setup simple for all bike types

making it twice as difficult for thieves to break

while the wide-mouth opening makes filling and cleaning simple

Lightweight & Durable: Weighing only 0

2-in-1 Modular Design for Multiple Riding Styles

The wide textured platform adds an anti-slip surface

lock or smartphone

Each bag includes a rain cover to keep your belongings safe from water

no emissions

The holder supports phone widths from 2