Features - Onguard

X4P Quattro Bolt

OnGuard’s patented X4P Quattro Bolt secures both sides of the shackle, creating a double-redundant system resistant to pulling, jacking, prying, and twisting. It secures the shackle to the crossbar in four places for maximum strength, with hardened steel throughout to resist all attacks. The shackle’s dual-end securing requires defeating both sides to open, and round profiles with smooth edges eliminate leverage points.

X2P Double Bolt

A lock is only as strong as its weakest link. OnGuard’s patented X2P Double Bolt secures both sides of the shackle, creating a double-redundant system that resists attacks from pulling, jacking, and prying. The X2P Double Bolt mechanism secures the shackle to the crossbar in two places, maximizing strength.

The shackle is secured at both ends, requiring both sides to be defeated to open the lock.
Hardened steel construction resists all forms of attack.
Round profiles and smooth edges eliminate leverage points, enhancing security.

X2P Dual Lock Down

A lock is only as strong as its weakest link. OnGuard’s patented X2P Dual Lock secures both sides, creating a double-redundant system that resists attacks from pulling, jacking, prying, and twisting.

The X2P Dual Lock mechanism secures the cable lock in two places, maximizing strength.
The lock is secured at both sides, requiring both sides to be defeated to open the lock.
Hardened steel construction resists all forms of attack.

X2P Double Bolt

Cable locks with X2P Dual Lock Down mechanisms secure cable to lock head in two places for high pull and pry resistance.

Laser-Cut Keys

Locks equipped with Z-Cylinder systems come standard with 5 laser-cut keys. The advanced technology of the Z-Cylinder significantly enhances the security level of our locks, making them extremely difficult for unauthorized duplication.

GLO - Combo

No more struggling with combinations in the dark. Our Doberman and Terrier Combo Glo locks are equipped with backlit tumblers for easy use in low-light conditions.

Twist Lock QR Bracket

OnGuard Cable Locks feature our innovative TwistLock QR Mounting Bracket, designed for enhanced ease of use. Simply attach the universal mounting bracket to any tube, insert the lock “T” fixture, and twist to secure it in place. To release, push the orange lever and twist. Transporting your lock has never been easier or more convenient.

Snap Lock QR Bracket

The OnGuard universal mounting bracket fits any bicycle tube size from 22mm to 80mm. Its versatile design allows for multiple placement options, including down tube, top tube, seat post, and offset positions, ensuring it won’t interfere with cables, water bottle cages, or other accessories. The soft rubber interface protects your bike’s finish from scratches and damage.

Steel Ball Combo

Our combination locks feature advanced SBC – Steel Ball Combo technology. This smooth-running, steel ball click gear system is designed to resist picking and pulling, providing superior security and reliability.

Z-Cylinder

The Z-Cylinder provides superior pick protection and features BumpBlock™ technology, making bump keys ineffective. The lock mechanism is encased in ultra-hardened steel, resisting drilling, and pulling.

The unique construction makes the Z-Cylinder virtually pickproof.
BumpBlock technology renders bump keys useless.
Ultra-hardened steel casing prevents drilling and pulling attempts.

Superior Protection

OnGuard Locks provide top security and reliability with advanced features. Our U-lock crossbars, shackles, and cable lock heads have double rubber coatings to protect your bike’s paint, and durable metal and rubber end caps to guard against impacts. The Z-Cylinders feature automatic and manual keyway seals to keep out water, dirt, and grit, preserving the lock’s internals. With tighter tolerances, the locks fit better and resist harsh elements. Our chain covers are embroidered for durability and secured with Velcro tabs, while our cables have tough vinyl coatings for long-lasting protection. These features ensure the highest level of security for your bike.