Q1. What is the difference between TB01, TB02, TB03 and TB04?
The TB01 and TB02 are battery-powered rear lights designed primarily for visibility in everyday cycling.
The TB03 and TB04 are road-oriented versions featuring StVZO-K and ISO 6742 compliance. TB03 provides steady rear-light output, while TB04 adds intelligent brake warning functionality.
| Feature |
TB01 |
TB02 |
TB03 |
TB04 |
| Battery powered |
✓ |
✓ |
✓ |
✓ |
| USB-C charging |
✓ |
✓ |
✓ |
✓ |
| IP56 |
✓ |
✓ |
✓ |
✓ |
| Memory function |
✓ |
✓ |
✓ |
✓ |
| Low battery indicator |
✓ |
✓ |
✓ |
✓ |
| Brake warning |
— |
✓* |
— |
✓** |
| StVZO-K |
— |
— |
✓ |
✓ |
| ISO 6742 |
— |
— |
✓ |
✓ |
| Max. output |
35 lm |
90 lm |
20 lm |
90 lm |
| Universal Ø22.2–35 mm mount |
✓ |
✓ |
✓ |
✓ |
* Equipped with Brake Warning, Emergency Alert, and Crash Alert. Brake Warning and Emergency Alert activate only in Brake mode, while Crash Alert operates continuously across all modes.
** Equipped with Brake Warning, Emergency Alert, and Crash Alert functions. Please note: Emergency Alert and Crash Alert are only activated when Brake Warning mode is enabled, ensuring integrated and enhanced rider safety.
