12 Best Bike Locks With Alarms for 2026 That Keep E-Bikes Safe
You want a bike lock that fights back when thieves target your e-bike. Look for alarms between 110–115dB with motion sensing, remote control up to 66 ft, and tough materials like hardened steel.
Waterproof ratings like IP55 and long battery life keep you covered in harsh conditions. Adjustable sensitivity prevents false alarms.
Choose models with backup access and strong build quality—your peace of mind gets even better with the right pick.
Quick Overview
- Many bike alarm locks offer 110–115 dB alarms to deter theft with high-volume sound alerts.
- Adjustable sensitivity and volume settings help balance security and false alarm prevention.
- Remote arming/disarming up to 66 feet provides convenience and quick access.
- IP55 or higher ratings ensure weather resistance and durability in harsh conditions.
- Rechargeable batteries and low-power technology extend battery life up to 60 days.
| Electric Scooter Lock with Alarm & Bag |  | Best Overall | Alarm Decibels: 7 adjustable volumes (exact dB not specified) | Power Source: Not specified (assumed battery) | Remote Control: Yes | VIEW LATEST PRICE | Read Our Analysis |
| Wsdcam 113dB Wireless Bike Alarm |  | Best Value | Alarm Decibels: 113 dB | Power Source: Battery (type not specified) | Remote Control: Yes | VIEW LATEST PRICE | Read Our Analysis |
| Mengshen Bike Lock with Remote & Alarm |  | Budget-Friendly Pick | Alarm Decibels: 115 dB | Power Source: 3 AAA batteries | Remote Control: Yes | VIEW LATEST PRICE | Read Our Analysis |
| Sportneer Heavy Duty Bike U-Lock with Cable |  | Editor’s Choice | Alarm Decibels: Not applicable (no alarm) | Power Source: None (mechanical) | Remote Control: No | VIEW LATEST PRICE | Read Our Analysis |
| BANGTING 4FT Smart Alarm Bike Lock |  | Most Popular | Alarm Decibels: 110 dB | Power Source: Rechargeable (USB-C) | Remote Control: Yes | VIEW LATEST PRICE | Read Our Analysis |
| Heavy Duty Anti-Theft U Lock for E-Bikes |  | Best for E-Bikes | Alarm Decibels: High-pitched (exact dB not specified) | Power Source: Not specified | Remote Control: Not specified | VIEW LATEST PRICE | Read Our Analysis |
| Bike Chain Lock with 110dB Alarm |  | Best Alarm Sensitivity | Alarm Decibels: 110 dB | Power Source: Rechargeable (USB-C) | Remote Control: Yes | VIEW LATEST PRICE | Read Our Analysis |
| YOHOOLYO Motorcycle Disc Brake Alarm Lock |  | Most Secure Disc Lock | Alarm Decibels: 110 dB | Power Source: Internal batteries (6 included + 6 backup) | Remote Control: Yes | VIEW LATEST PRICE | Read Our Analysis |
| Heavy Duty Bike Chain Lock with Alarm |  | Best Heavy-Duty Chain | Alarm Decibels: 110 dB | Power Source: Battery (replaceable; lifespan ~1 year) | Remote Control: No | VIEW LATEST PRICE | Read Our Analysis |
| Bike Chain Lock with 110dB Alarm |  | Best Rechargeable System | Alarm Decibels: 110 dB | Power Source: Rechargeable (USB-C) | Remote Control: Yes | VIEW LATEST PRICE | Read Our Analysis |
| BANGTING 4Ft Bike Chain Lock with Alarm | | Best Weather Resistance | Alarm Decibels: 110 dB | Power Source: Rechargeable (USB-C) | Remote Control: Yes | VIEW LATEST PRICE | Read Our Analysis |
| Max 110dB Rechargeable Bike Alarm with Remote |  | Longest Range Remote | Alarm Decibels: 110 dB | Power Source: USB rechargeable (4.2V 700mAh) | Remote Control: Yes | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Electric Scooter Lock with Alarm & Bag
Looking for a lock that’s as tough as your daily commute? You’ve got it with the Electric Scooter Lock with Alarm & Bag.
Its motion-sensitive alarm blares at tampering, and you can adjust the volume to one of seven levels. Arm and disarm it quickly using the remote—no fumbling.
The heavy-duty alloy steel chain resists cuts and saws, standing up to harsh weather and tough attempts. At 94 cm long and 3 cm thick, it’s flexible enough to secure scooters, bikes, or motorcycles.
Toss it in the included waterproof silicone bag to block rain and dirt, and use the mesh pocket to stash keys or your phone. You’re covered—lock, remote, keys, and protection—all in one.- Alarm Decibels:7 adjustable volumes (exact dB not specified)
- Power Source:Not specified (assumed battery)
- Remote Control:Yes
- Waterproof Rating:Waterproof (not rated)
- Lock Type:Chain lock
- Key or Access Method:Keys (3 included)
- Additional Feature:Waterproof storage bag included
- Additional Feature:7 adjustable alarm volumes
- Additional Feature:Heavy-duty alloy steel chain
Wsdcam 113dB Wireless Bike Alarm
Need serious protection for your e-bike without the hassle of complex locks? The Wsdcam 113dB Wireless Bike Alarm’s got your back.
It mounts easily and uses smart vibration detection to trigger a piercing 113dB alarm when motion’s detected. You can adjust sensitivity across 7 levels and pick one of 3 volume settings so it fits your environment.
With a wireless remote that works up to 66 ft, you’ll arm, disarm, and locate your ride fast. The IP55 waterproof rating means it handles rain or shine, and battery-saving tech keeps it running longer.
It’s reliable, tough, and built to exceed safety standards—perfect for bikes, e-bikes, scooters, or motorcycles.- Alarm Decibels:113 dB
- Power Source:Battery (type not specified)
- Remote Control:Yes
- Waterproof Rating:IP55
- Lock Type:Wireless alarm (no lock)
- Key or Access Method:Remote only (no key)
- Additional Feature:66 ft wireless range
- Additional Feature:Vehicle search function
- Additional Feature:7 sensitivity levels
Mengshen Bike Lock with Remote & Alarm
One standout pick among the 12 best bike locks with alarms for 2026, the Mengshen Bike Lock with Remote & Alarm is ideal for e-bike owners who want key-free convenience and strong, responsive security. You can lock or unlock with the remote—up to 40 meters away—or use a 4-digit password, with 256 combo options.
Its 115dB alarm blares if someone tampers, cuts, or moves your bike. Built tough, it’s IP55-rated, resists rust, and works in temps from -10°C to 60°C.
Powered by 3 AAA batteries, it alerts you when power’s low. Use it on bikes, scooters, gates, or strollers—versatility meets reliable, weather-ready protection.- Alarm Decibels:115 dB
- Power Source:3 AAA batteries
- Remote Control:Yes
- Waterproof Rating:IP55
- Lock Type:Combination lock (no physical chain/U-lock)
- Key or Access Method:4-digit password (no keys)
- Additional Feature:4-digit password access
- Additional Feature:-10°C to +60°C operation
- Additional Feature:256 password combinations
Sportneer Heavy Duty Bike U-Lock with Cable
Who wouldn’t want a bike lock that stands up to 12 tons of hydraulic shear pressure while keeping your e-bike scratch-free? You get that with the Sportneer Heavy Duty Bike U-Lock.
Its silicone-coated, polygonal design resists water, dust, and damage to your frame. The 5 ft steel cable adds reach, letting you secure wheels or lock to posts, fences, and poles.
You can carry it easily—mounting bracket fits bikes with 26–38 mm diameter frames. With a zinc alloy core and alloy steel head, it fights cutting, drilling, and smashing.
You’ve got two keys, so you won’t get locked out. Use it on e-bikes, kids’ bikes, or even grills and gates—perfect for public parking or gifting.- Alarm Decibels:Not applicable (no alarm)
- Power Source:None (mechanical)
- Remote Control:No
- Waterproof Rating:Not specified
- Lock Type:U-lock with cable
- Key or Access Method:Keys (2 included)
- Additional Feature:Silicone-coated lock body
- Additional Feature:12-ton shear resistance
- Additional Feature:Mounting bracket included
BANGTING 4FT Smart Alarm Bike Lock
Looking for a smart alarm lock that delivers both rugged security and instant theft deterrence? The BANGTING 4FT Smart Alarm Bike Lock has your back with a piercing 110dB siren that triggers on impact or tampering.
You control the alarm remotely, but still use a physical key to lock and unlock—keeping access secure and tamper-proof. Its 8mm manganese steel chain resists cutters, while the reinforced zinc alloy body fights drilling.
With IP65-rated weather resistance and a scratch-free sleeve, it protects your e-bike in any condition. The 1.2m length fits bikes, scooters, or motorcycles, and includes two remotes, three keys, and a storage bag for easy use.- Alarm Decibels:110 dB
- Power Source:Rechargeable (USB-C)
- Remote Control:Yes
- Waterproof Rating:IP65
- Lock Type:Chain lock
- Key or Access Method:Keys (3 included)
- Additional Feature:USB-C charging cable
- Additional Feature:Scratch-free chain sleeve
- Additional Feature:Reinforced zinc alloy body
Heavy Duty Anti-Theft U Lock for E-Bikes
Need serious protection for your e-bike when you’re stuck parking in sketchy spots? This heavy-duty anti-theft U lock’s got your back.
Built with 16mm hardened stainless steel, it resists bolt cutters, leverage attacks, and hand tools like a champ. The motion-activated, high-pitched alarm shrieks if anyone messes with your ride—keeping your e-bike, scooter, or motorcycle safe.
It fits wide 20×4 wheels and handles harsh weather without a glitch. You get three keys for easy sharing or backups.
Perfect for public parking, this alarm U lock delivers real peace of mind when your pride and joy’s out of sight—but still within earshot.- Alarm Decibels:High-pitched (exact dB not specified)
- Power Source:Not specified
- Remote Control:Not specified
- Waterproof Rating:Weatherproof
- Lock Type:U-lock
- Key or Access Method:Keys (3 included)
- Additional Feature:16mm stainless steel shackle
- Additional Feature:Motion-activated alarm
- Additional Feature:Fits wide tire wheels
Bike Chain Lock with 110dB Alarm
Want serious protection for your e-bike or electric scooter without sacrificing convenience? This 4-foot eMjollRay chain lock’s got your back with a loud 110dB alarm that triggers on motion.
You’ll love the remote control—it lets you lock or unlock from a distance, and the rechargeable USB-C battery lasts up to 60 days on standby. The alloy steel chain’s wrapped in reinforced fabric for flexibility and toughness, while the silicone-covered alarm resists scratches and water damage.
It’s lightweight at just 2 pounds, fits gates or bikes, and includes two remotes, three keys, and a storage bag. With adjustable sensitivity and volume, you stay in control.- Alarm Decibels:110 dB
- Power Source:Rechargeable (USB-C)
- Remote Control:Yes
- Waterproof Rating:Waterproof (not rated)
- Lock Type:Chain lock
- Key or Access Method:Keys (3 included)
- Additional Feature:Rechargeable lithium polymer
- Additional Feature:60-day standby battery
- Additional Feature:Silicone alarm cover
YOHOOLYO Motorcycle Disc Brake Alarm Lock
Who wouldn’t want a lock that screams 110 dB the moment trouble starts? The YOHOOLYO Motorcycle Disc Brake Alarm Lock does just that, activating with a 5-second delay via motion sensor.
You get a rugged 7 mm locking pin, adjustable 360 degrees, built to resist tampering. Its metal body is rustproof, waterproof, and tough enough to handle harsh weather and physical attacks.
You’ll appreciate the double security—alarm plus disc lock—plus two keys and an included Allen wrench. With 12 batteries total (6 installed, 6 backup), it’s ready for long-term use.
Everything stows neatly in the carry pouch. It’s well-packed, gift-ready, and perfect for your motorcycle, e-bike, scooter, or dirt bike.- Alarm Decibels:110 dB
- Power Source:Internal batteries (6 included + 6 backup)
- Remote Control:Yes
- Waterproof Rating:Waterproof
- Lock Type:Disc lock
- Key or Access Method:Security keys (2 included)
- Additional Feature:360-degree adjustable pin
- Additional Feature:6 backup batteries
- Additional Feature:Allen wrench included
Heavy Duty Bike Chain Lock with Alarm
If you’re riding a high-value e-bike or electric scooter, this heavy-duty chain lock wraps your peace of mind in 6 mm of extra-thick steel and a scream of 110 dB alarm power. You’ll appreciate the motion-detecting alarm that deters thieves instantly, with or without sound.
The 1.5-meter nylon-wrapped chain flexes around racks, gates, or multiple bikes, while the anti-cut, anti-saw design fights tampering. You get three keys and long-lasting battery life—about a year—plus alerts when power’s low.
It’s rugged, dust-resistant, and built for tough urban streets. Though compact enough for your backpack, it’s tough enough for motorcycles.
You’re covered with a 90-day warranty and solid support if needed.- Alarm Decibels:110 dB
- Power Source:Battery (replaceable; lifespan ~1 year)
- Remote Control:No
- Waterproof Rating:Dust-protected (no IP rating)
- Lock Type:Chain lock
- Key or Access Method:Keys (3 included)
- Additional Feature:Nylon fabric wrapping
- Additional Feature:1-year battery life
- Additional Feature:Dust-protected keyhole
Bike Chain Lock with 110dB Alarm
Need a rugged, reliable way to secure your e-bike without sacrificing convenience? This Bike Chain Lock with 110dB Alarm has your back.
You’re getting an 8mm A3 hardened steel chain wrapped in reinforced fabric for toughness and flexibility. The motion-activated alarm screams at 110dB, with three volume and two sensitivity settings so you can customize it.
Both alarm and remotes recharge via USB-C—no battery swaps needed. You’ll enjoy up to 60 days of standby power.
It’s waterproof, impact-resistant, and includes a silicone cover, two remotes, keys, and a storage bag. You can lock, (replaceable synonym for unlock), and protect your ride fast and wirelessly.- Alarm Decibels:110 dB
- Power Source:Rechargeable (USB-C)
- Remote Control:Yes
- Waterproof Rating:Waterproof (not rated)
- Lock Type:Chain lock
- Key or Access Method:Keys (3 included)
- Additional Feature:Titanium-style remote
- Additional Feature:Rechargeable remotes
- Additional Feature:Reinforced fabric sleeve
BANGTING 4Ft Bike Chain Lock with Alarm
The BANGTING 4Ft Bike Chain Lock with Alarm stands out as a top pick among the 12 best bike locks with alarms for 2026, especially if you own an e-bike and want rugged, reliable security. You get a heavy-duty 8mm manganese steel chain that resists cutting and sawing, plus a zinc alloy lock core for extra strength.
Its 110dB alarm triggers instantly with tampering, scaring off thieves. The IP65 waterproof wireless alarm handles rain and washing, while the scratch-resistant polypropylene cover fights rust and damage.
At 4 feet, you can secure two bikes or other gear. You’ll also appreciate the included keys, remotes, USB-C charging, and storage bag—everything you need stays organized and ready.- Alarm Decibels:110 dB
- Power Source:Rechargeable (USB-C)
- Remote Control:Yes
- Waterproof Rating:IP65
- Lock Type:Chain lock
- Key or Access Method:Keys (3 included)
- Additional Feature:Polypropylene scratch-resistant cover
- Additional Feature:Dustproof cap included
- Additional Feature:Locks two bikes together
Max 110dB Rechargeable Bike Alarm with Remote
Who wouldn’t want their e-bike protected by a 110dB alarm that scares off thieves with a sound as loud as a live concert? You get exactly that with the Max 110dB Rechargeable Bike Alarm.
It deters intruders with a 30-second piercing siren and syncs up easily using the remote—up to 100m range. You’ll customize volume and sensitivity to match your environment.
It mounts anywhere with brackets, zip ties, or adhesive tape, and withstands rain and dust thanks to IP65 rating. Charge it via USB—it lasts 1–3 months.
Low-battery alerts keep you ready. Pair up to eight remotes.
It’s tough, tool-free, and ready for travel.- Alarm Decibels:110 dB
- Power Source:USB rechargeable (4.2V 700mAh)
- Remote Control:Yes
- Waterproof Rating:IP65
- Lock Type:Standalone alarm (no lock)
- Key or Access Method:No key (mounts with brackets/zip ties)
- Additional Feature:100m remote range
- Additional Feature:3 alert sounds
- Additional Feature:Mounts without tools
Factors to Consider When Choosing Bike Locks With Alarms for E Bikes
You’ll want to check the alarm’s loudness level—over 100dB ensures it grabs attention fast. Think about the power source type and weather resistance grade so your lock keeps working in rain or cold.
Also, pay attention to the locking mechanism style, remote control range, and how well they suit your daily routine.
Alarm Loudness Level
What good is an alarm if it doesn’t grab attention? You need a loud one—most bike lock alarms range from 110 dB to 113 dB, loud enough to startle thieves and draw bystanders.
The higher decibel level boosts your e-bike’s security by making theft attempts obvious in public spaces. Some models let you adjust the volume with 3 to 7 settings, so you can match it to your environment without causing unnecessary noise.
Just remember, louder alarms use more power, which might impact battery life and remote responsiveness. Don’t just pick the loudest option—look for consistent performance.
Make sure the lock uses reliable motion or impact sensors that trigger only when needed. False alarms annoy everyone and make people ignore real threats.
Choose a lock that balances volume, accuracy, and efficiency to keep thieves away without the hassle.
Power Source Type
A loud alarm means little if the power source can’t keep up. You’ll find most bike lock alarms use either replaceable AA or AAA batteries or built-in rechargeable cells—each affects how often you’ll swap or plug in.
If you hate battery hassles, pick a model with USB-C charging; it powers both the lock and remote faster and offers longer standby life. Battery life varies, so check whether you’re getting weeks or months on a charge, especially if you ride daily.
Remotes often run on separate batteries, so don’t overlook their upkeep. Look for locks with low-battery alerts—those timely warnings keep your system online and your e-bike secure.
Skipping this detail could leave you stranded with a dead alarm when it matters most. Choose smart, stay powered.
Weather Resistance Grade
How often do you leave your e-bike outside? You need a lock that won’t fail when it rains or snows.
Look for a solid IP rating—like IP55 or higher—to guarantee it’s weatherproof. A higher rating means better protection against dust and water jets, so your lock lasts longer outdoors.
Choose models with sealed battery compartments and waterproof housings to keep internal electronics dry. Protective sleeves, silicone covers, and rust-resistant materials like stainless steel or zinc alloy help too.
These features guard against corrosion and moisture damage, even with constant exposure. Don’t settle for flimsy builds; pick a lock built to endure harsh conditions.
A truly weather-resistant lock keeps working where others fail. You’re not just buying security—you’re investing in reliability.
When the weather turns bad, you’ll be glad you chose a lock designed to withstand it all.
Locking Mechanism Style
You’ve secured weather resistance with a high IP rating and durable materials—now focus on how the lock operates. Remote-controlled mechanisms let you arm or disarm from up to 66 feet away, giving you convenience and speed.
Many models also support a 4-digit or programmable PIN, so you’ve got keyless backup if you lose the remote. Some alarms automatically trigger when they detect movement, vibration, or tampering, sounding a 110–115 dB alert to scare off thieves.
The locking body might be a U-lock, chain, or retractable cable, all with built-in alarm modules. Look for models offering multiple access methods—remote, password, and even physical keys—so you’re never locked out.
Choosing the right mechanism comes down to speed, reliability, and how much backup access you need.
Remote Control Range
What good is a remote if it fails when you need it most? You’ll want a reliable remote control range, typically between 40 and 100 meters, though some claim up to 20 meters or more in open areas.
Keep in mind, real-world performance often drops due to walls, vehicles, or metal obstacles blocking the signal. Line-of-sight helps, but urban environments rarely offer it.
Higher-end models boast extended ranges, but interference and signal degradation are real issues. You also need a strong wireless receiver and fresh remote batteries—failing power reduces range over time.
While longer reach lets you arm or disarm from farther away, don’t sacrifice alert sensitivity or secure pairing for distance. A lock that unlocks remotely but triggers false alarms or, worse, lets thieves in, isn’t worth the risk.
Balance range with reliability and security every time.
Frequently Asked Questions
Can I Use These Alarms on Non-Electric Bikes?
Yes, you can use these alarms on non-electric bikes. They’re designed to fit any bike frame, and the theft-deterrent tech works just as well.
Just mount it, power it on, and you’re set—no extra steps needed. Security’s got your back, rain or shine.
Do Bike Alarm Locks Work in Extreme Weather?
Yeah, bike alarm locks work in extreme weather—you’ll see most hold up in freezing temps or heavy rain. They’re built tough, so you don’t have to worry about false alarms or failures when you’re braving the elements.
Just check the specs for your climate.
Are Replacement Remotes Available for These Alarm Systems?
Yes, you can get replacement remotes for most alarm systems. They’re usually available through the manufacturer or authorized dealers.
Just grab your model number and contact support—you’ll have a new one shipped fast and synced up without a hitch.
Will the Alarm Drain My E-Bike’s Battery?
No, the alarm won’t drain your e-bike’s battery. It runs on its own power source, so you’re safe.
You’ll keep your ride charged and secure without any hassle. Just lock up and go—your battery stays full and your bike stays protected.
Can I Connect These Alarms to My Smartphone?
Yes, you can connect these alarms to your smartphone. Where there’s a will, there’s a way—just pair via app, and you’ll get alerts, control settings, and monitor your e-bike’s safety instantly, all from your pocket.
Conclusion
You’re not just locking a bike—you’re guarding a lightning-charged dream on two wheels. With these alarm-screaming sentinels, your e-bike becomes a fortress, its pulse guarded by decibels and steel.
Each click of the lock is a vow, each alarm a thunderclap warning thieves to flee. Don’t just chain your ride—arm it like a silent warrior, ready to roar when shadows creep too close.
Safety isn’t passive; it fights back.
