The Mammoth Security Shackle U-Lock is a heavy-duty, high-strength wheel lock designed to prevent motorcycles and scooters from being rolled away.
With a hardened steel shackle and robust double locking mechanism, this U-lock offers solid, dependable protection in high-risk areas.

Key Features

• Hardened Steel Shackle: Strong, cut-resistant construction offers excellent protection against theft attempts.

• Anti-Scratch Shackle Covering: Protects your wheel and discs from marks or damage during use.

• Double Locking Bar Mechanism: Locks both sides of the shackle for increased resistance to twisting and prying attacks.

• Weatherproof Barrel Protector: Shields the lock cylinder from rain, dust, and debris to maintain smooth operation.

• Large Secure Fitment:

  • 170mm Width

  • 320mm Length
    Designed for locking through motorcycle or scooter front wheels or discs.

Ideal For

• Motorcycles, scooters & mopeds

• Riders who need a strong, visible deterrent

• Securing bikes in high-risk or public parking areas

• Use as a primary lock or combined with chains for layered security

A tough, reliable U-lock built to stop roll-away theft attempts and offer serious everyday protection.