Heavy Duty U-Lock with Steel Cable – 16mm Shackle

Quick Overview

Protect your ride with the Heavy Duty U-Lock with Cable. Built from hardened steel and paired with a 4ft PVC-coated cable, this lock offers unbeatable resistance against cutting, drilling, and leverage attacks — keeping your bike safe anywhere.

Product Description

Designed for cyclists who value maximum protection, this U-Lock features a 16mm alloy steel shackle coated with silicone to prevent scratches and corrosion. The C-grade pure copper lock cylinder resists technical unlocking, while the two serpentine-cut keys provide added security against duplication.

The included 4ft double-loop steel cable gives you more flexibility to secure not only the frame but also wheels or accessories. Compact and portable, the lock comes with a mounting bracket for quick storage during rides.

With its anti-pry, anti-hydraulic shear, and drill-resistant design, this lock is a trusted solution for bicycles, e-bikes, scooters, and even motorcycles.

Key Features

• Maximum Security: 16mm hardened steel shackle resists cutting, drilling & leverage attacks
• Copper Cylinder: C-grade anti-theft cylinder with 2 serpentine copper keys
• Flexible Locking: Includes 4ft double-loop cable (PVC coated)
• Scratch Resistant: Silicone & PVC coating protects bike paint
• Portable Design: Compact 7.9" × 4.9" U-Lock with mount bracket
• Weather Resistant: Operates in extreme temperatures -30℃ to +150℃

Specifications

• U-Lock Size: 7.9" × 4.9" (usable space 5.9" × 2.6")
• Shackle Thickness: 16mm (0.63")
• Steel Cable: 4ft length, 0.48" diameter with PVC coating
• Keys: 2 pure copper serpentine keys
• Mounting Bracket: Fits circular tubes ≤ 30mm
• Material: Hardened steel + silicone coating
• Weight: ~3.2 lbs

Package Includes

• 1 × Heavy Duty U-Lock
• 1 × 4ft PVC-Coated Flex Cable
• 1 × Mounting Bracket
• 2 × Rust-Resistant Copper Keys