Filled to the brim with features the OnGuard Mastiff X series bike lock earns some of the highest safety ratings around with bump resistant cylinders, Quad-locking mechanism, hardend steel shackles and chains as well as scratch preventing sleeve for the chain. On the outside, On Guards locks are fully-coated to protect your bike from scratches and to shield internal parts from the elements, while the bright colour scheme sends a clear warning to thieves: don’t even try! And then there are the extras: lock reminder, carrying bags and five laser-cut keys.

Features:

• A short-shackle U-lock with X4P Quattro Bolt locking mechanism paired to a 110cm long, 10mm titanium-reinforced, hardened steel hexagonal link chain. The U-lock can also be used alone as a disc lock.
• Size: Chain 110cm x 10cm
• Shackle Diameter: 14mm