This motorcycle disc lock alarm adds a serious layer of protection to your bike by combining a physical brake disc lock with a loud, motion-triggered siren. Once clicked onto the brake disc, it arms itself automatically within five seconds and confirms with an audible beep, so you always know it's active. If someone tries to move or tamper with the bike, the built-in motion sensor sets off a 120-decibel alarm loud enough to draw attention and send would-be thieves running. The rugged aluminum alloy body is built to resist cutting and prying attempts.
This lock is a great fit for motorcycle and scooter owners who park in public lots, city streets, or shared garages where theft is a real concern. It's especially useful for anyone leaving their bike overnight, running errands, or parking somewhere they can't keep an eye on it the whole time. Riders who already use a chain or cover but want an added layer of active protection will appreciate having an alarm that does the work of watching the bike for them.
Customers choose this over a basic disc lock because it doesn't just physically block the wheel — it actively alerts you and anyone nearby if someone tampers with the bike. A single USB-C charge keeps it running for up to six months on standby, so it's not something you have to think about often. The IP67 waterproof rating means it keeps working through rain and puddles without issue, and it fits most bikes with disc brakes up to 2.4 inches wide. The included reminder cable helps prevent the embarrassing (and costly) mistake of riding off with the lock still attached.
120dB motion-triggered alarm with 5-second auto-arming
Aluminum alloy construction resistant to cutting and prying
USB-C rechargeable, up to 6 months standby per charge
IP67 waterproof housing
Fits disc brakes up to 2.4 inches wide
Includes 2 keys, charging cable, and 5-foot reminder cable
