The Mammoth Security Heavy Duty Mini U-Lock Disc Lock delivers compact yet powerful protection with a robust 14mm hardened steel shackle and secure double-locking mechanism.
Designed for motorcycles, scooters, and bicycles, this versatile lock provides high resistance to cutting, prying, and twisting attacks — all in a portable mini-U form.

Key Features

• 14mm Hardened Steel Shackle: Strong, tamper-resistant shackle designed to withstand serious theft attempts.

• Double Locking Mechanism Bar: Provides extra security by locking both sides of the shackle in place.

• Vinyl-Coated Finish: Prevents scratches to paintwork and improves durability against weather and corrosion.

• Compact, Heavy-Duty Build: Mini size offers convenience without compromising strength — ideal for daily use.

• Precision Dimensions:

  • U Section: 80mm outside width / 57mm inside width

  • Shackle Thickness: 60mm

  • Height: 100mm outside / 85mm inside

  • Bottom Bar: 142mm length, 28mm thickness

Ideal For

• Motorcycles & scooters

• Bicycles & e-bikes

• Riders needing a compact yet high-strength disc lock or U-lock solution

• Use as a primary lock or as part of a layered security setup

A tough, compact U-lock built for riders who need maximum strength in a portable design.