OnGuard | Bull Mastiff Combo Padlock

Reliable everyday bike security without the hassle of keys.

Built for riders, commuters, and everyday users who want simple, dependable protection, the OnGuard Bull Mastiff 8104 Combo Padlock adds convenient keyless security for bikes, accessories, and storage areas.

The Bull Mastiff 8104 is designed for practical daily use, whether you are securing a bike with a cable lock, locking up gear in a bike cage, protecting tools in the garage, or adding extra security to storage areas and gates. Its durable stainless-steel body resists corrosion for long-term reliability, while the 8 mm hardened steel shackle helps defend against cutting, prying, and twisting attempts. The smooth-turning dial combination system keeps access quick and hassle-free, making it ideal for riders who prefer not to carry extra keys.

Key Features

• Keyless Combination Access
Smooth-turning dial combination mechanism provides fast and convenient access without needing keys.

• Hardened Steel Shackle
8 mm hardened steel shackle helps resist cutting, prying, and twisting attempts for added everyday protection.

• Durable Stainless Steel Body
Corrosion-resistant stainless-steel construction delivers reliable durability for indoor, outdoor, and bike storage use.

• Bike-Friendly Everyday Security
Ideal for use with cable locks, bike cages, storage areas, toolboxes, lockers, gates, and sheds.

Technical Specifications

• Category
Padlock

• Discipline
Lifestyle

• Construction / Material
Stainless Steel Body, Hardened Steel Shackle

• Shackle Diameter
8 mm

Suitable for everyday bike security applications including cable locks, bike cages, lockers, storage areas, gates, sheds, and toolboxes.