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Alarm Disc Brake Lock
Aluminum alloy disc brake lock with built-in alarm for motorcycles and electric bicycles. Compact, loud, and built to deter theft before it starts — available in 4 colors.
Built-In Alarm System
Integrated alarm triggers on movement or tampering, alerting you and deterring thieves before they can move your vehicle.
Aluminum Alloy Construction
Heavy-duty aluminum alloy body resists cutting, drilling, and impact — significantly tougher than plastic or zinc-alloy alternatives.
Disc Brake Compatibility
Designed specifically for disc brake rotors on motorcycles and electric bicycles — locks directly onto the rotor to physically prevent wheel rotation.
Milling Tooth Keys
Includes 2 precision milling tooth keys for secure, pick-resistant locking — harder to duplicate than standard flat keys.
Hex Tool Included
Inner hexagon tool included in the package for installation and adjustment — everything you need is in the box.
4 Color Options
Available in Black, Blue, Red, and Yellow — high-visibility colors make the lock easy to spot and serve as an additional visual theft deterrent.
What Makes It Different
- Dual Deterrent System: Physical disc lock plus audible alarm — two layers of theft protection in a single compact device.
- Aluminum Alloy Body: Harder and more cut-resistant than the zinc alloy used in most budget disc locks at this price point.
- Milling Tooth Key Security: The precision milling tooth keys are significantly harder to pick or duplicate than standard flat-cut keys.
- Universal Disc Brake Fit: Compatible with the disc brake rotors found on most motorcycles and electric bicycles without requiring adapters.
- High-Visibility Colors: The bold color options make the lock immediately visible to potential thieves, acting as a visual deterrent before the alarm even triggers.
Product Gallery
Specifications
| Material | Aluminum Alloy |
| Battery | 6 x AG13 Batteries |
| Compatible With | Electric Bicycles & Motorcycles with Disc Brakes |
| Available Colors | Black, Blue, Red, Yellow |
| Keys Included | 2 x Milling Tooth Keys |
| Tools Included | 1 x Inner Hexagon Tool |
| Includes | Disc Brake Lock x1, Keys x2, Hex Tool x1 |
What Our Customers Are Saying
The red lock is highly visible on my motorcycle and the alarm is genuinely loud. I tested it and it triggered immediately on any movement. The aluminum body feels solid and the milling tooth keys are a nice security upgrade over standard locks.
Verified Buyer
Bought the black version for my e-bike and it fits the disc rotor perfectly. The alarm is sensitive enough to trigger on any attempt to move the bike. Build quality is excellent — the aluminum feels much tougher than plastic locks I've used before.
Verified Buyer
The yellow lock is impossible to miss which is exactly what I wanted. The alarm is loud and the fit on my motorcycle disc is secure. Comes with everything you need in the box. Great value for a dual-protection security lock.
Verified Buyer
The blue lock looks great on my bike and the alarm sensitivity is well calibrated — triggers on movement but not on wind or vibration. The milling tooth keys feel premium and the aluminum body is reassuringly heavy. Highly recommend.
Verified Buyer
Lock It Down. Sleep Easy.
Every ZENVY disc brake lock is backed by our quality guarantee. If it doesn't protect your ride the way it should, we'll make it right.
