DescriptionFeatureDescriptionWeight564gMaterialSilicone Aluminum AlloyAnti-Theft DesignReinforced U-lock resists cutting, prying, and pullingUniversal FitCompatible with road, mountain, and folding bikesSmart NFC UnlockTap to unlock with phone or NFC card/stickerQuick UnlockOne-touch unlock, no keys needed dailyFrame ProtectionSilicone cover prevents scratches and absorbs impactLong Battery Life600mAh battery, up to 1500 unlocks per chargeType-C ChargingFast charging with dustproof port