Trelock Bicycle U-Lock U6 ZB 401 (108x230 mm), Black
Serious protection for serious riders. The Trelock U6 U-Lock features a massive 16 mm hardened steel shackle and an impressive 17/18 security rating, making it a reliable choice for urban parking and everyday commuting.
When you leave your bike outside work, a shop, or in the city overnight, you need a lock that truly deters theft. The Trelock U6 108-230 ZB 401 is a heavy-duty U-lock built from hardened steel and engineered for a high level of security in demanding urban environments.
The 16 mm thick shackle significantly increases resistance against cutting attempts, while the IN-X cylinder with a reversible key ensures smooth, precise operation. A sliding dust cover protects the locking mechanism from dirt, moisture, and debris — essential for year-round use.
The rubber-coated shackle prevents scratches on your frame, keeping your bike protected inside and out. The included ZB 401 mounting bracket allows convenient transport directly on your bike.
This is a lock designed for riders who don’t compromise when it comes to security.
Technical specification
Type: U-lock
Intended use: Securing bicycles in urban environments, bike racks, and fixed objects
Security level: 17/18 (Trelock security scale)
Material: Hardened steel
Shackle diameter: 16 mm
Internal dimensions: 108 x 230 mm
Color: Black
Locking system: IN-X cylinder
Key type: Reversible key
Keys included: Yes
Dust protection: Sliding keyhole cover
Shackle coating: Rubberized surface to prevent frame scratches
Mounting bracket: Included – ZB 401
Key replacement option: Additional keys can be ordered via the official Trelock website
Weight: 1400 g
Shipping:
We ship within Poland, across the entire European Union, and worldwide
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