Shipping Protection
Shipping Protection
Couldn't load pickup availability
Shipping Information
Shipping Information
All orders are shipped with a tracking number. Any order over $40 USD qualifies for free shipping. Shipping times range from 4 to 8 days, depending on the shipping method and destination country.
90 Day Guarantee & Returns
90 Day Guarantee & Returns
Every purchase comes with a 90-day 'Love It or Your Money Back Guarantee'. We're absolutely confident you'll love the safety that our lock provides, and we'll go above and beyond to ensure you're completely satisfied with your purchase!
Indestructible, Loud, and Reliable
Are you tired of constantly worrying about your bike's safety? The Nexus Rider Siren Shield Lock is the solution you've been waiting for. Not only does it provide exceptional security, but its powerful 110dB alarm will deter anyone from even attempting to steal your bike.

You cherish your bike and can't bear the thought of it being stolen. You may already use multiple locks, but are they really enough?
The Nexus Rider Siren Shield Lock sends a clear message to thieves: your bike is protected. Its bright, eye-catching design and built-in alarm ensure that any tampering will be immediately detected. No more sleepless nights wondering if your bike is safe.

Siren Shield Technology
A two-step sound alarm activates at the slightest touch, first emitting a loud, clear warning. Any further tampering triggers a powerful 110-decibel alarm, sure to scare off any thief!

Forget Bulky and Ugly Locks
This compact yet powerful lock secures in seconds. Simply attach it to the disc brake, lock it, and leave your worries behind.

Weather and Shock-Proof
Crafted from high-quality, weather-resistant steel, this disc lock delivers exceptional strength and durability, built to withstand both harsh conditions and even the toughest theft attempts

outshines traditional locks in every way
The Siren Shield Lock secures your bike in 5 seconds with a simple press, while other locks take minutes. Its 110dB motion alarm deters thieves, unlike silent alternatives. Compact and pocket-sized, it's easy to carry, and its weather-resistant design ensures lasting durability.
Customers Frequently Ask
Will it fit my vehicle?
Will it fit my vehicle?
Yes. It fits almost all bikes with drilled brake rotors. Motorcycles, Sports Bikes, Scooters, Mopeds & ATV's.
Size: Approx. 54x39x67mm/2.12x1.53x2.63inch
How do I set it up?
How do I set it up?
The Nexus Rider Siren Shield Lock is a breeze to use, making your bike theft-proof in no time. Here’s how it works:
- Place the lock on your bike’s wheel...
- With a simple one-press operation, lock it in place. You’ll hear a "Beep," confirming the alarm is activated.
- The moment any vibration is detected, the lock emits a triple "Beep," warning potential thieves that it's armed.
- If tampering continues, the alarm blares a continuous, ear-piercing sound for 30 seconds, reaching a powerful 110dB—enough to alert you and everyone nearby.
- To turn off the alarm, simply unlock it with your key. Alternatively, you can wait 30 seconds, and it will shut off automatically.
How do i track my order?
How do i track my order?
After we have shipped your order, an email update will be sent.
You will find your tracking number and information inside this email.
With the tracking number you can track your order on the tracking page we will give to you.
Is there a warranty?
Is there a warranty?
Yes! We offer 12 months warranty on all of our products. Should the item arrive damaged or break during usage we will replace or arrange to have it fixed free of charge.
Testimonials

Jennifer K.
"I own two motorcycles and got a lock for each. It’s the perfect portable solution for peace of mind, especially when making quick stops."

Anne M.
"This lock is actually much heavier and sturdier than I expected. It feels solid, which gives me peace of mind that my bikes are safe. The alarm is super loud!"

John C.
"This lock is a great find. It sets up in just 10 seconds, and I love the assurance of hearing an alarm if someone tries to tamper with my bike."

Dan H.
"Absolutely love this lock! It's so easy to set up, and the built-in alarm is a game-changer. I used to worry every time I left my bike parked, even for a quick stop."