Mastiff Chain Lock Combo (75CM X 4MM)

The OnGuard Mastiff 75 cm Combo Chain Lock delivers compact yet powerful security with a 735 mm (29 in) titanium-reinforced hardened-steel chain and a tamper-resistant 4-digit Steel Ball Combo lock. Ideal for short stops, urban commutes, or securing accessories, its hardened square links provide dependable resistance to cutting and prying. A 30 mm protective sleeve prevents scratches, while OnGuard’s anti-theft protection adds extra peace of mind for daily riders.

• Compact Strength: 735 mm titanium-reinforced hardened-steel chain offers strong protection in a portable size.
• Keyless Convenience: 4-digit Steel Ball Combo system provides quick, user-settable access without keys.
• Durable Construction: Hardened square-link chain design resists cutting, sawing, and twisting attacks.
• Protective Sleeve: 30 mm (1.2 in) cover shields paint and metal surfaces from abrasion and wear.
• Added Security: Backed by OnGuard’s anti-theft protection program for enhanced confidence.


Manufacturer Sku: 8124
Todson Sku: 45008124