✅ This product is imported from China, so there may be some minor scratches on the main body. Please refrain from purchasing if you are concerned about this. ✅ Size: 75 x 62 x 22mm Weight: 150g ✅ Material: Ultra-lightweight aluminum alloy, with a black wire chain ✅ Universal type, can be installed anywhere with a Φ20-26mm pipe. Can be installed on pipes up to approximately 26mm in diameter. ✅ Comes with spare keys. The keys and keyholes are a unique set, and even keys from the same product will not work. It is recommended to create a spare if you lose one. ✅ Lightweight, sturdy, and with an anti-theft structure, this is an upgraded version that has it all. ✅ Packing details: Helmet lock body Keys x 2 Hex wrench Cushioning belt Black wire chain Japanese instruction manual #HelmetHolder #BicycleHolder #HelmetLock #HelmetLockHolder #HelmetLock #HelmetHolder #BicycleHolder #AntiTheftGoods #MotorcycleAccessories #BicycleAccessories #AluminumAlloyMade #UltraLightweightDesign #SturdyLock #WithSpareKey #Φ20_26mmCompatible #UniversalLock #WithHexWrench #EasyInstallation #WithCushioningBelt #WithJapaneseInstructionManual #SecurityEnhancement #LockSet #CompactSize