Mastiff Chain Lock Key (150CM X 8MM)

The OnGuard Mastiff 150 cm Chain Lock delivers heavy-duty security with a 1495 mm (58.9 in) titanium-reinforced hardened-steel square-link chain and an integrated X2P Dual Lock Down head that locks both sides for maximum pull and pry resistance. A double rubber-coated lock body protects finishes, while the automatic keyway cover keeps dirt and moisture out. Includes five precision laser-cut keys, one with an LED light, and is backed by OnGuard’s anti-theft protection program.

• Extended Protection: 1495 mm (58.9 in) hardened-steel chain offers full-length security for large or multiple bikes.
• Dual Locking Power: X2P Dual Lock Down mechanism secures both sides of the lock head for maximum resistance.
• Reinforced Build: Titanium-reinforced square links withstand cutting, prying, and twist attacks.
• Weather-Sealed: Automatic keyway cover blocks dust, water, and grit to extend lock lifespan.
• Complete Key Set: Includes five laser-cut keys, one with LED, plus OnGuard’s anti-theft protection plan.


Manufacturer Sku: 8121
Todson Sku: 45008121