100-110DB Loud alarm siren. When the lock body or vehicle is vibrated, the lock will give an alarm "DU DU DU". When the lock is vibrated again, it will give an alarm and keep the alarm with serial vibration.
eBay
95cm Motorcycle Chain Lock Portable Anti-theft High Security MTB Mountain Bike Lock With 2 Keys For Scooter Electric E-Bike
Aliexpress UK
NEW HEAVY DUTY ARMOURED STEEL CABLE LOCK SECURITY KEYS BLACK MOTORCYCLE BIKE. Ideal for motorbike, bike, quad bike, caravan, gate etc. Heavy duty steel lock head.
eBay
Rockbye Bicycle Alarm Security Lock with Wireless Remote Anti-thief Bike Motorcycle Alarm Lock Outdoor Cycling Safety Device
Aliexpress UK
Bike Lock Chain Lock Heavy Duty Bike Bicycle Security Padlock Motorcycle 70cm UK. Length: 70cm. SAFETY CHAIN: This bicycle chain lock, covered with non-woven fabric that can reduce chain wear, is a heavy-duty motorcycle lock with a compact wrap-around design that protects the bicycle and motorcycle surface, is easy to use, and is anti-sawing and anti-pulling.
eBay
Heavy Duty Motorcycle Chain Lock 80cm Metal Anti Theft Bike Lock with 2 Keys for Maximum Security and Reinforcement of Bicycle
Aliexpress UK
Compact disc locks like the XD5 are excellent for motorbikes and scooters. Just bear in mind to write down your key number and save it safely. These include Channel Islands, isle of wight, isle of man, northern island and Scottish highlands.
eBay
Universal Motorcycle Helmet Lock Bicycles Portable Security Anti-Theft Fixed Helmet Lock for 22-28mm Handlebar Moto Accessories
Aliexpress UK
Characteristic: Anti rust, tamper resistant, anti pry. Feature: 1. Universal Application: Motorcycle handlebar locks are suitable for most motorcycles, sports bikes, scooters, mopeds and ATVs on the market.
eBay
Motorcycle Handlebar Lock Aluminum Alloy Handlebar Brake Handle Solid Portable Steal Lock E-Bikes Anti Theft Bicycle Safety Tool
Aliexpress UK
For motorcycle riders looking for a hassle-free way to keep their bike safe when they're out and about, the Oxford Patriot disc lock is a fantastic choice. You can feel secure knowing your bike will be secure while you're away because of the locks' robust, yet lightweight, construction.
eBay
Falante 110db Anti-Theft Alarm Motorcycle Handlebar Lock Aluminum Alloy Brake Grip Lock Adjustable Bicycle Security Equipment
Aliexpress UK
If you keep this in a secure location, you can have a new key manufactured for you in the terrible case that you lose all of your keys. These include Channel Islands, isle of wight, isle of man, northern island and Scottish highlands.
eBay
Heavy Duty Motorcycle Chain Lock Metal Anti Theft Bike Lock with 2 Keys for Maximum Security and Reinforcement of Bicycle
Aliexpress UK
Suitable for Bikes, Electric Bike, Motorcycles,Scooter, Car, Trailer, Luggage, Doors and Windows -USB Rechargeable -Loud alarm & Adjustable Volume,Up to 110dB loud alarm, 3 lever adjustable volume -Vibration alarm, 7 level sensitivity adjustable -IP54 waterproof -Remote control, easy to find your vehicle by 3 kinds of bells -Easy to install & use: Super easy installation by pasting with double-sided sticker or tying it with strap and Bracket -DIY pair Alarm Battery:4.2V 700mAh lithium battery Working Time(Alarm) :1~3 months,standby time 6 months Alarm Charge Port : Standard USB-C 5V Remote Battery : 27A(12V) Alkaline battery Working Time(Remote) :1~2 years（5 times per day) Working Frequency:433.92MHz Working Environment Humidity ： <80% Warranty: 2-year.
eBay
1 Pcs Motorcycles Battery Lock Holder Hook For Surron Light Bee X Electric Cross-country Bike Lock Hook Parts
Aliexpress UK