6mm steel pin. 110 decibel alarm. Suitable for motorcycles and scooters with disc brakes.
eBay
Y45A-Smart Bluetooth Chain Lock Keyless Bike/Motorcycle Gate/Door Lock With Anti Theft Alarm 110Db APP Phone Control Black
Aliexpress UK
Black： 1 Bicycle Lock. Red： 1 Bicycle Lock. Blue： 1 Bicycle Lock. Green： 1 Bicycle Lock. Yellow： 1 Bicycle Lock. Net Weight: About 198g. Battery: 6 Button Battery. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.
eBay
Bike Spring Cable Lock Anti-Theft Rope Alarm Disc Lock Bicycle Security Reminder Motorcycle Theft Protection 150cm
Aliexpress UK
Motorcycle Bicycle Lock Alarm Safety Protection Padlock Disc Aluminum Alloy Anti-Theft Reminder Rope Lock Bag Motorcycle Accesso. -Security anti-theft lock universal for motorcycle, scooter, bicycle etc.
eBay
Bike Spring Cable Lock Anti-Theft Rope Alarm Disc Lock Bicycle Security Reminder Motorcycle Theft Protection 120-150cm
Aliexpress UK
This Quartz XA10 is a super strong motorcycle and scooter alarm disc lock. Twin Spar Lock Chassis For Double Strength And Cut Resistance. Tough And Durable Alarm Disc Locks Ideal For All Scooters And Motorcycles.
eBay
1.2m Bicycle Spring Cable Anti-theft Lock Rope Alarm Disc Lock Bicycle Safety Reminder Motorcycle Anti-theftProtection 120-150cm
Aliexpress UK
Tough double locking padlock with hardened steel shackle which doubles as a disc lock;. FD-MOTO Anti theft Motorcycle Motorbike Alarm Brake Disc Lock. 100-110DB Loud alarm siren. LK603S Alarm Brake Disc Lock Specifics.
eBay
1.2M Bike Spring Cable Lock Anti-Theft Rope Alarm Disc Lock Bicycle Security Reminder Motorcycle Theft Protection 120-150cm
Aliexpress UK
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 alarm with serial vibration.
eBay
Smart Bluetooth Chain Lock Keyless Bike/Motorcycle Gate/Door Lock With Anti Theft Alarm 110Db APP Phone Control
Aliexpress UK
Keyless Instant Locking : Simply press to lock. If disturbance continues, a full 10-second siren will trigger. Heat-Treated Lock Body : Undergoes specialised thermal hardening processes involving high heat and rapid cooling for maximum toughness and resistance to physical attacks.
eBay
120CM Motorcycle Brake Disc Lock Scooter Reminder Cable Bicycle Spring Rope Bag Anti-Theft Cable Protection Alarm Locks
Aliexpress UK
For riders who are constantly moving and want to rest easy knowing their prized possession is safe and secure, the Oxford motorcycle alarm chain10 is a fantastic option. A 90 dB alarm and a chain with a 10 mm square link are also included in the Oxford security kit.
eBay
Bike Spring Cable Lock Anti-Theft Rope Alarm Disc Lock Bicycle Security Reminder Motorcycle Theft Protection 150cm
Aliexpress UK