Bitlock Gen 2 Smart Bike Lock (BL-G2)

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Revision as of 09:17, 23 October 2026 by 7yuta (talk | contribs) (- A BLE and cellular connected smart bike lock with GPS tracking and anti-tamper alarm. Gen 2 model fixes earlier BLE pairing vulnerabilities, features encrypted credential storage and encrypted communication, but only provides basic user authentication and infrequent firmware updates.)

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Bitlock Gen 2 Smart Bike Lock (BL-G2)
Security Grade
   
     B
Calculator v
Bitlock Gen 2 Smart Bike Lock (BL-G2)
   Brand: Bitlock (Parent: Bitlock Inc.)

   Category: Smart Bicycle Lock • Model / Gen: 2nd Generation BL-G2

   Release Date: 2021-05-18 • Status: In sale

   Classification Date:  • Official Website

Security Evaluation

1. Device Security

Criterion Value Proof Comment
Known hardware tampering Rare 🔗 Proof Anti-tamper steel construction; physical attack triggers loud alarm. Gen 1 BLE pairing vulnerabilities fully patched in Gen 2 firmware.
Known vulnerabilities Rare 🔗 Proof BLE pairing vulnerability from Gen 1 was addressed; no critical vulnerabilities remain in Gen 2.
Prior attacks None 🔗 Proof No publicly reported real-world exploitation of Gen 2 model.
Updatability Rare 🔗 Proof OTA firmware updates available via BLE; updates released only for critical fixes.
Category Score Score: 2 / 3

2. System Security

Criterion Value Proof Comment
Authentication with other systems No 🔗 Proof Standalone device; no smart home platform integration.
Communications Encrypted with up-to-date encryption 🔗 Proof BLE communication uses AES-128 encryption; cellular data uses standard mobile network encryption.
Storage Encrypted with up-to-date encryption 🔗 Proof Access credentials and GPS location data stored in encrypted on-board flash.
Category Score Score: 2 / 3

3. User Authentication

Criterion Value Proof Comment
Account management Basic 🔗 Proof Single owner account; temporary access keys can be issued and revoked remotely.
Authentication Basic 🔗 Proof Password-based app login; no two-factor authentication available.
Brute-force protection Basic 🔗 Proof BLE pairing has anti-brute-force mechanism; app login has basic rate limiting.
Event logging Partial logging 🔗 Proof Lock/unlock events and tamper alerts are logged; full account audit not available.
Passwords Require change after setup 🔗 Proof No default access codes; user creates account password during setup.
Category Score Score: 2 / 3

Technical Specifications

Property Details
Operating System & App Proprietary embedded RTOS (Companion App: Bitlock App)
Hardware (CPU / GPU) CPU: ARM Cortex-M4 microcontroller • GPU: None
Memory & Storage Memory: 128KB RAM • Storage: 256KB encrypted flash
Power, Battery & Charging Battery: Rechargeable lithium-ion battery • Power: 5V 1A Micro-USB • Charging: Micro-USB wired charging
Display & Camera Display: LED status indicators • Camera: None
Sound & Connectivity Sound: Built-in alarm buzzer • Connectivity: Bluetooth 4.2 BLE, GSM cellular
Physical (Dimensions & Mass) Dimensions: 17.0 × 6.5 × 3.2 cm • Mass: 0.85 kg


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