Kryptonite Kryptolok 995 Bike Chain Lock, 3 Feet Long Heavy Duty Anti-Theft Sold Secure Gold Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence
9mm four-sided chain links made from 3T MANGANESE STEEL. Patent-pending END LINK DESIGN secures chain to hardened deadbolt eliminating critical vulnerability. Hardened DEADBOTL DESIGN provides additional protection. HIGH SECURITY DISC-STYLE CYLINDER is pick and drill resistant. Patent pending integrated lock head with "TALON" DEADBOLT. Includes 2 ERGONOMIC "I" KEYS. Durable WEATHER-RESISTANT nylon sleeve prevents scratches. Key Safe Program. Product dimensions: 37.5” (95cm) chain length.Product weight: 5.55 lbs (2.52 kgs).

Apple AirTag
AirTag. Keep track of your keys, wallet, luggage, backpack, and more, all in the Find My app. Play a sound on the built-in speaker, or say “Hey Siri, find my gym bag.” With select iPhone models, Precision Finding can lead you right to your nearby AirTag. If it's further away, hundreds of millions of Apple devices in the Find My network can help track it down. All anonymously and encrypted for privacy.