Automotive / Motorcycle & Powersports / Accessories / Electronics / Alarms & Anti-Theft

39 review articles in this category branch, ordered by product demand and buyer signal strength.

Articles

URBAN UR14S Approved Motorcycle Disc Lock with Smart Alarm

Alarms & Anti-Theft $150

4.6/5 2,040 ratings

URBAN UR14S Approved Motorcycle Disc Lock with Smart Alarm

The URBAN UR14S is a stainless-steel motorcycle disc lock with a built-in 120dB alarm, LED, and an optional warning-only mode. It uses a 14mm double-locking design and is positioned for riders who want strong physical security plus an audible deterrent, with the main caveat being that some buyers find the alarm louder in theory than in practice.

YOHOOLYO Alarm Disc Lock Motorcycle Disc Brake Lock Anti-Theft Waterproof 110 dB 7mm Pin 5ft Reminder Cable

Alarms & Anti-Theft $19.96

4.5/5 10,984 ratings

YOHOOLYO Alarm Disc Lock Motorcycle Disc Brake Lock Anti-Theft Waterproof 110 dB 7mm Pin 5ft Reminder Cable

The YOHOOLYO alarm disc lock is a metal, waterproof disc brake-style lock designed for motorcycles, bikes, and scooters. It adds a motion-triggered 110 dB alarm with a short warning period, plus a 5ft reminder cable to help prevent “left-the-lock-on” mistakes. Best as a loud deterrent and secondary layer, not as your only theft protection.

Sportneer Bike Lock: 5 Digit Combination High Security Anti Theft Bike Chain Lock (Keyless)

Alarms & Anti-Theft $11.99

4.5/5 12,455 ratings

Sportneer Bike Lock: 5 Digit Combination High Security Anti Theft Bike Chain Lock (Keyless)

A keyless 5-digit combination chain lock designed for everyday bike protection, with a thick manganese-steel chain, zinc-alloy lock core, and a resettable code. It’s praised for being easy to configure and sturdy, with one notable durability tradeoff: the scratch-resistant fabric cover may break down over extended outdoor use.

Kryptonite Keeper 5-S2 Disc Lock - Chrome

Alarms & Anti-Theft $33.96

4.6/5 3,864 ratings

Kryptonite Keeper 5-S2 Disc Lock - Chrome

The Kryptonite Keeper 5-S2 is a compact, key-operated disc lock designed for short-term motorcycle, scooter, or bicycle security. Buyers consistently highlight how simple it is to use and how solid it feels, with the included reminder cable helping prevent “ride-away” mistakes. The main tradeoff to consider is cosmetic durability, since some users report paint chipping with bumps.

AGPTEK 110db Motorcycle Brake Lock with 5FT Reminder Cable, Anti-Theft

Alarms & Anti-Theft $16.88

4.5/5 5,912 ratings

AGPTEK 110db Motorcycle Brake Lock with 5FT Reminder Cable, Anti-Theft

The AGPTEK 110db motorcycle brake lock is a portable, key-secured disc lock with a built-in vibration-triggered alarm and a longer 5.2 ft reminder cable for easier placement. It is designed for outdoor use with waterproof, corrosion-resistant, cut-resistant, and heat-tolerant materials, but buyers should expect very high sensitivity, which can mean alarms during rain or light movement.

Motorcycle Alarm Disc Brake Lock, Motorcycle Locks Anti Theft Security review

Alarms & Anti-Theft $20.99

4.6/5 3,599 ratings

Motorcycle Alarm Disc Brake Lock, Motorcycle Locks Anti Theft Security review

A compact, waterproof disc brake alarm lock designed to deter bike theft with a built-in shock/motion sensor and an approximately 110dB alarm. It’s a budget-friendly option for riders who mainly want a visible deterrent plus a loud audible signal when someone tampers with the rotor, with a main caveat: sensitivity can lead to unexpected beeps or alarms in windy or rainy conditions.

Kryptonite Keeper Folding Bike Lock, 2.75FT/3.25 FT Long Compact Lightweight review

Alarms & Anti-Theft $93.48

4.4/5 656 ratings

Kryptonite Keeper Folding Bike Lock, 2.75FT/3.25 FT Long Compact Lightweight review

Kryptonite’s Keeper folding lock uses 3mm hardened steel bars in a compact, portable design with a mounting bracket, making it a practical choice for short to moderate parking stops. It’s designed for versatility (wrapping around posts or oddly shaped objects), but it’s not meant to compete with the toughest U-lock or chain options in high-threat areas.

Urban UR59 High Security Motorcycle Disc Lock (ø14 mm, Double Locking Mini U)

Alarms & Anti-Theft $34.92

4.5/5 1,436 ratings

Urban UR59 High Security Motorcycle Disc Lock (ø14 mm, Double Locking Mini U)

The Urban UR59 mini U-style disc lock is a compact, key-operated hardened-steel option designed to help deter theft for motorcycles, scooters, and eBikes. It uses a double-locking design (fork locked at both tips) and a bright yellow reminder cable for better day-to-day usability, with a main tradeoff being that you will still need compatible mounting points for the disc or chain setup you prefer.

ToolWRX Motorcycle Grip Lock – Heavy‑Duty Anti‑Theft Handlebar & Brake Lever Lock (Universal Fit, < 1.5″)

Alarms & Anti-Theft $33.78

4.4/5 1,432 ratings

ToolWRX Motorcycle Grip Lock – Heavy‑Duty Anti‑Theft Handlebar & Brake Lever Lock (Universal Fit, < 1.5″)

A compact, heavy-duty handlebar grip lock designed to deter quick theft by clamping to handlebars up to 1.5 inches and locking via the brake/lever area. It installs quickly, includes adapters for a tighter universal fit, and comes with a lever protector and two keys, but it works best as a convenience deterrent rather than a standalone solution.

Urban UR140 Motorcycle Helmet Lock, Carabiner with Safer 4 Digit Code

Alarms & Anti-Theft $36.94

4.4/5 1,258 ratings

Urban UR140 Motorcycle Helmet Lock, Carabiner with Safer 4 Digit Code

The Urban UR140 is a keyless 4-digit carabiner lock kit designed to secure a motorcycle helmet, and also works with bike frames, saddles, and luggage via a braided steel cable and T-buckle adapter. Buyers highlight solid build quality and easy combination changes, with the main caveat being that the attachment area may have limited “grip” depending on helmet shape.

SIGTUNA Folding Bike Lock - Hardened Steel 8mm Fold-Up Heavy Duty Bike Lock

Alarms & Anti-Theft $26.22

4.3/5 1,624 ratings

SIGTUNA Folding Bike Lock - Hardened Steel 8mm Fold-Up Heavy Duty Bike Lock

A compact, hardened-steel folding lock built for everyday stops, errands, and quick lockups where you want more security than a basic cable. Strong points include an included mounting bracket, flexible locking positions, and a paint-scratch-safe coating, with the main caveat being that the bracket/tool instructions may be frustrating for some buyers.

Kryptonite Heavy Duty Motorcycle Alarm Disc Lock – Anti-Theft Powersport Brake Lock with 120dB Siren, Weather-Resistant Security for Motorcycles & Scooters

Alarms & Anti-Theft $52.42

4.4/5 502 ratings

Kryptonite Heavy Duty Motorcycle Alarm Disc Lock – Anti-Theft Powersport Brake Lock with 120dB Siren, Weather-Resistant Security for Motorcycles & Scooters

The Kryptonite heavy duty alarm disc lock is a compact, zinc diecast disc brake pin lock with an integrated motion-sensitive 120dB siren. Buyers like how quickly it locks on and how it deters tampering, with the main caveat being that alarm sensitivity may feel limited for casual bumps or riding in which you expect it to trigger more easily.

Very Long [47"] Security Folding Lock

Alarms & Anti-Theft $69.99

4.5/5 324 ratings

Very Long [47"] Security Folding Lock

A 47-inch folding bike lock designed for high-coverage parking, including ebikes and scooters. Buyers highlight the sturdy, secure feel and longer length for locking multiple items, with the main tradeoff being notable weight and a less durable frame mount/bracket experience for some users.

WSDCAM USB Rechargeable Bike Alarm with Remote, 110dB Loud Wireless Anti Theft Vibration Motion Sensor Vehicle Security Alarm System Waterproof Bicycle Trailer Motorcycle Alarm

Alarms & Anti-Theft $19.99

4.6/5 1,088 ratings

WSDCAM USB Rechargeable Bike Alarm with Remote, 110dB Loud Wireless Anti Theft Vibration Motion Sensor Vehicle Security Alarm System Waterproof Bicycle Trailer Motorcycle Alarm

The WSDCAM vibration-activated bike alarm is a compact, USB-rechargeable option for shoppers who want a loud deterrent plus remote control. It offers adjustable volume and sensitivity, includes multiple mounting approaches, and is built for outdoor use. The main tradeoff is that fit and placement matter, since the alarm can be noticeably less effective when installed inside enclosed or muffling surfaces.

Motorcycle Helmet Lock-Master Lock #99KA - 2 Keyed Alike

Alarms & Anti-Theft $21.97

4.5/5 909 ratings

Motorcycle Helmet Lock-Master Lock #99KA - 2 Keyed Alike

The Master Lock #99KA is a straightforward cable helmet lock kit designed to deter casual theft and help keep your helmet from being knocked off your bike. Based on buyer feedback, it’s easy to attach, convenient for quick parking stops, and offers a practical way to secure helmets in everyday situations, with the main tradeoff being that it is not a “bolt-cutter proof” lock.

ONVIAN Rechargeable Motorcycle Lock with 120db Alarm and 6FT Steel Reminder Cable (Black)

Alarms & Anti-Theft $23.99

4.6/5 801 ratings

ONVIAN Rechargeable Motorcycle Lock with 120db Alarm and 6FT Steel Reminder Cable (Black)

The ONVIAN rechargeable disc brake lock adds a motion-sensor alarm (120dB) and a 6-foot high-tensile steel reminder cable, designed for 7mm-pin disc brake fit. It prioritizes convenience over button-battery locks, with a sealed charging port for wet-weather use. The main tradeoff is that you need to keep it charged and confirm disc-brake pin compatibility before buying.

Alarm Disc Lock Set, Brake Lock, Anti-Theft Waterproof 110 dB 7mm Pin 5ft Reminder Cable for Motorcycles Bike Scooter Carry Pouch (1pcs Black)

Alarms & Anti-Theft $12.99

4.6/5 962 ratings

Alarm Disc Lock Set, Brake Lock, Anti-Theft Waterproof 110 dB 7mm Pin 5ft Reminder Cable for Motorcycles Bike Scooter Carry Pouch (1pcs Black)

This alarm disc lock set is designed to deter theft by combining a physical disc-brake style lock with an automatic vibration/shock alarm (up to 110 dB). It is a practical add-on for motorcycles, e-bikes, and scooters when you park outdoors, with straightforward one-button arming and a waterproof, rust-resistant steel build for everyday weather.

ONVIAN Motorcycle Disc Brake Lock with 120dB Alarm, Rechargeable Waterproof (Black)

Alarms & Anti-Theft $23.99

4.5/5 476 ratings

ONVIAN Motorcycle Disc Brake Lock with 120dB Alarm, Rechargeable Waterproof (Black)

The ONVIAN disc brake lock is designed to deter theft with a loud alarm and a rechargeable, waterproof build. It is a straightforward anti-theft add-on for bikes with disc brakes, but one key tradeoff reported by buyers is that the alarm sensitivity may not trigger as easily as expected.

Black Hardbagger Security Theft Deterrent Saddlebag Locks Mounting Hardware Fit for Harley Touring 1994-2022 Replace 1/4 Turn Quick Disconnects

Alarms & Anti-Theft $10.59

4.4/5 994 ratings

Black Hardbagger Security Theft Deterrent Saddlebag Locks Mounting Hardware Fit for Harley Touring 1994-2022 Replace 1/4 Turn Quick Disconnects

These saddlebag lock mounting hardware replacements swap out Harley Touring 1/4-turn quick disconnects to add a theft deterrent setup without drilling. Review evidence points to easier, quicker installation and good fit, with the main limitation being correct Harley Touring year/fitment matching and using the right adapters/gaskets for your setup.

Mathtoxyz Motorcycle Lock Rechargeable, 120dB Alarm Disc Brake Locks Anti-Theft Security Wheel Disc Lock

Alarms & Anti-Theft $25.99

4.6/5 397 ratings

Mathtoxyz Motorcycle Lock Rechargeable, 120dB Alarm Disc Brake Locks Anti-Theft Security Wheel Disc Lock

A rechargeable disc brake alarm lock designed to deter tampering with a 120dB alert, built-in motion/shock sensing, and a waterproof body. Best for riders who want compact added security on motorcycles and other disc-brake bikes, with the main caveat that the rotor must have holes and be under the stated thickness range to fit properly.

Lengthen Saddlebag Locks Mounting Security Theft Deterrent For Harley Touring

Alarms & Anti-Theft $13.99

4.5/5 665 ratings

Lengthen Saddlebag Locks Mounting Security Theft Deterrent For Harley Touring

These stainless-steel saddlebag lock replacements are designed to swap in for Harley Touring-style quarter-turn quick disconnects, helping discourage theft and reduce the chance of loose saddlebag lids. Best for riders who want a tighter, more secure mounting with a relatively quick, no-drill install, but fitment details and supplied hardware may require careful setup.

Amazicha New Saddle Bag Lock Hardware Bolt Kit, Theft Deterrent SaddleBag lever locks Mounting Hardware

Alarms & Anti-Theft $29.99

4.8/5 294 ratings

Amazicha New Saddle Bag Lock Hardware Bolt Kit, Theft Deterrent SaddleBag lever locks Mounting Hardware

Amazicha’s saddlebag lock hardware bolt kit is a vehicle-specific upgrade for select Harley Touring and Softail models. It’s designed to install more easily than older styles, using a floating gasket approach for alignment and a “click” feel when tightened, with metal anti-rust construction and improved grip features to help keep the lever bolts secure.

Motorcycle Locks Anti Theft: CNC Heavy Duty Handlebar Throttle Grip review

Alarms & Anti-Theft $13.99

4.3/5 574 ratings

Motorcycle Locks Anti Theft: CNC Heavy Duty Handlebar Throttle Grip review

A compact handlebar-style anti-theft lock meant to clamp over the grip and help immobilize movement. It’s built from CNC aluminum for durability and is marketed as weather-resistant, but it’s only a fit for certain grip sizes, so measure first. If you want an easy-to-carry deterrent for a dirt bike, moped, scooter, or ATV, this type of throttle/grip lock can be a practical choice.

Tour Trunk Latches Black,Tour Trunk Lid Latch with Keys Fit for Harley Touring Road King Road Glide Street Glide Electra Glide Ultra-Classic 2014-2025

Alarms & Anti-Theft $59.99

4.5/5 109 ratings

Tour Trunk Latches Black,Tour Trunk Lid Latch with Keys Fit for Harley Touring Road King Road Glide Street Glide Electra Glide Ultra-Classic 2014-2025

A vehicle-specific tour trunk latch kit for select Harley Touring models (2014-2025). Reviewers frequently mention a tight, secure fit, smooth opening and closing, and a clean black finish. The main catch is making sure you have the exact trunk setup and model/year match before ordering.

Matework motorcycle lock anti theft heavy duty (handlebar and brake lock with helmet lock)

Alarms & Anti-Theft $21.99

4.3/5 283 ratings

Matework motorcycle lock anti theft heavy duty (handlebar and brake lock with helmet lock)

A heavy-duty keyed motorcycle brake and handlebar lock from Matework, built from CNC aluminum alloy and finished with anodizing for weather resistance. It includes a helmet lock, keys, and anti-scratch pads for the handlebar and brake area, with quick installation claimed by the brand. Buyer feedback highlights strong deterrence and a sturdy feel, with limited evidence on fit across all bikes.

Motorcycle Lock Combo - Helmet and Brake Anti-Theft Grip (SKYJDM, Red)

Alarms & Anti-Theft $29.99

4.2/5 164 ratings

Motorcycle Lock Combo - Helmet and Brake Anti-Theft Grip (SKYJDM, Red)

A compact key-lock combo designed to secure your front brake and clamp your helmet to the handlebar on motorcycles, bikes, ATVs, and scooters. It works best for riders whose handlebar diameter falls within 1.3–1.5 inches, and it can feel fiddly if your clearances or grip fit are slightly off.

TOKCKYBL Motorcycle Lock + Detachable Helmet Lock (Anti-Theft, Hardened Alloy)

Alarms & Anti-Theft $22.99

4.4/5 194 ratings

TOKCKYBL Motorcycle Lock + Detachable Helmet Lock (Anti-Theft, Hardened Alloy)

This heavy-duty motorcycle lock pairs a handlebar lock with a detachable helmet lock to secure bike and gear in one system. It’s designed for a wide range of bikes (with a stated handlebar diameter range) and uses hardened aluminum alloy and a key lock cylinder, with a weather-resistant coating. The main tradeoff: like any keyed locking setup, it should be treated as theft deterrence, not a standalone guarantee.

Windance 2 Pack Motorcycle Helmet Lock, Helmet Holder Hook for 7/8" 22mm Handlebar

Alarms & Anti-Theft $12.88

4.4/5 262 ratings

Windance 2 Pack Motorcycle Helmet Lock, Helmet Holder Hook for 7/8" 22mm Handlebar

The Windance 2 Pack is a keyed-alike, anti-tamper motorcycle helmet lock designed for 7/8" (22mm) handlebars and compatible mounting spots like crash bars or certain racks. Buyers generally find it easy to use and helpful for short stops, with the main caveat that it is not intended to protect a high-end helmet against a determined thief.

MEETLOCKS Motorcycle Helmet Cable Lock with 4 Digit Combination, Resettable Bike Lock with T Bar

Alarms & Anti-Theft $19.99

4.3/5 149 ratings

MEETLOCKS Motorcycle Helmet Cable Lock with 4 Digit Combination, Resettable Bike Lock with T Bar

The MEETLOCKS motorcycle helmet cable lock is a keyless, resettable 4-digit combination lock designed to help secure a helmet to your bike, with a retractable cable and a T-bar accessory for common helmet quick-release buckles. It is best for riders who want fast, small-and-carry convenience and a deterrent-style setup, with the main caveat being compatibility with specific helmet micro-ratchet widths.

QWORK Motorcycle Bike Anti-Theft Wheel Disc Brake Lock, 2 Pack Safety Disc Wheel Lock with Keys, Keyed Differently

Alarms & Anti-Theft $7.13

4.3/5 340 ratings

QWORK Motorcycle Bike Anti-Theft Wheel Disc Brake Lock, 2 Pack Safety Disc Wheel Lock with Keys, Keyed Differently

The QWORK 2-pack disc brake wheel lock is a compact, alloy-steel keyed padlock designed to help deter quick wheel theft by locking through disc brakes up to 7mm thick. It’s easy to use and easy to carry, but it is positioned as minimum security, and you should expect to manage two keyed locks (and multiple keys) rather than one universal key.

U-Lock Holder for Bicycle. This is the Original Gator! (Patent Pending) All-Metal Ulock Holder for Bikes and ebikes

Alarms & Anti-Theft $29.95

4.3/5 51 ratings

U-Lock Holder for Bicycle. This is the Original Gator! (Patent Pending) All-Metal Ulock Holder for Bikes and ebikes

The Original Gator all-metal U-lock holder is built to clamp down without wobble, made for round-tube frames and compatible with Kryptonite and ABUS-style U-locks. It is a strong fit for daily commuters and e-bike riders who want a quieter, more secure carry than plastic mounts, with the main catch being that it will not work on oval tubes.

Dual Alert Guardian Alarm System with Alarm Remote -110dB Vibration Siren

Alarms & Anti-Theft $33.95

4/5 34 ratings

Dual Alert Guardian Alarm System with Alarm Remote -110dB Vibration Siren

A compact vibration-based bike and gear alarm with a key-fob style remote. It aims to deter theft with an up to 110dB siren, plus instant remote alerts and a “find item” locator chime. Best for riders who want discreet mounting and shared control across remotes, but it can be finicky if the remote is accidentally pressed or if it loses sync.

Gear Locks Jammer Tool Compatible for Most ATVs and Motorcycles, Many Transmissions and CVT Systems

Alarms & Anti-Theft $9.99

4.4/5 91 ratings

Gear Locks Jammer Tool Compatible for Most ATVs and Motorcycles, Many Transmissions and CVT Systems

This compact aluminum gear locks jammer is designed to help prevent gear rotation during maintenance on many ATVs and motorcycles, including some CVT and manual transmission setups. Buyers report it does what it’s meant to do for clutch basket and crank work, though review evidence is limited and one user mentioned it may start to break with use.

KVAEY Motorcycle Helmet Lock, Aluminum Alloy Anti Theft Helmet Security Locks (Universal)

Alarms & Anti-Theft $9.49

4.5/5 94 ratings

KVAEY Motorcycle Helmet Lock, Aluminum Alloy Anti Theft Helmet Security Locks (Universal)

The KVAEY motorcycle helmet lock is a universal, key-lock style accessory designed to secure a helmet to your bike using a reinforced aluminum alloy mount. It’s intended for easy installation, works with 1-inch handlebars, and can also double as a place to hang small items. The main tradeoff to consider is that correct initial positioning matters, and moving it later may be harder based on user feedback.