5 mm thick rods, with an extra soft 2-component coating to protect against paint damage. SmartX locking system with Bluetooth function - High-quality, keyless locking system offers the most user-friendly operation. Alarm function with at least 100 dB for 15 seconds, then automatically reactivates. 3D Position Detection – detects shocks and the smallest movements in all three dimensions and triggers the alarm. Location storage of the last parking of the bicycle.