Busch & Müller IQ-X vs Knog Blinder 900
Comparison 2026 — Bike Lights
VS
Our verdict
Based on our weighted scoring, the Busch & Müller IQ-X edges out the Knog Blinder 900 with an overall score of 92/100 against 80/100. It scores particularly well on brightness (90/100) and battery life (100/100), making it the better all-round pick in Bike Lights.
The Knog Blinder 900 remains a sensible alternative if price is your main concern — it lands at €69.95 versus €89.95.
Brightness winner
Knog Blinder 900
4% higher than its rival
Value winner
Busch & Müller IQ-X
6% better value for money
Specifications
| Specification | Busch & Müller IQ-X | Knog Blinder 900 |
|---|---|---|
| Price | €89.95 | €69.95+29% |
| Rating | ★4.7 (960) | ★4.2 (420) |
| Overall | 92/100+15% | 80/100 |
| Lighting | ||
| Brightness | 100 lux | 900 lumen+800% |
| Certification | StVZO, CE | CE |
| Standlight | Ja, met condensor | — |
| Power | ||
| Type | Naafdynamo 6V / 3W | — |
| Properties | ||
| Weight | 145 g | 115 g+26% |
| Waterproof rating | IP44 | IP67+52% |
| Material | — | CNC aluminium |
| Battery | ||
| Type | — | USB ingebouwd |
| Runtime | — | 1,5 u / 20 u |
Pros and cons
Busch & Müller IQ-X
Pros
- 100 lux with the widest, most even beam in its class
- Hub-dynamo powered: no more charging or battery swaps ever
- Standlight with capacitor — stays lit at traffic lights
- Fully weather resistant and virtually maintenance free
Cons
- Requires a hub dynamo — not an option for bikes without one
- Permanent mount: not easily swapped between bikes
Knog Blinder 900
Pros
- 900 lumens of power — capable on unlit forest tracks
- Built-in USB-A plug: no charging cable required
- Extremely compact CNC aluminium housing
- Six light modes including daytime running light and eco
Cons
- Not StVZO approved — can dazzle oncoming traffic without adjustment
- Relatively short runtime on full power (1.5 hours)