Knog Blinder 900 vs Busch & Müller Lumotec IQ-XS
Comparison 2026 — Bike Lights
VS
Our verdict
Based on our weighted scoring, the Busch & Müller Lumotec IQ-XS edges out the Knog Blinder 900 with an overall score of 82/100 against 80/100. It scores particularly well on brightness (78/100) and battery life (98/100), 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 €45.00.
Brightness winner
Knog Blinder 900
16% higher than its rival
Value winner
Busch & Müller Lumotec IQ-XS
12% better value for money
Specifications
| Specification | Knog Blinder 900 | Busch & Müller Lumotec IQ-XS |
|---|---|---|
| Price | €69.95 | €45.00+55% |
| Rating | ★4.2 (420) | ★4.6 (1,820) |
| Overall | 80/100 | 82/100+3% |
| Lighting | ||
| Brightness | 900 lumen+1186% | 70 lux |
| Certification | CE | StVZO, CE |
| DRL | — | Ja, automatisch >6 km/u |
| Battery | ||
| Type | USB ingebouwd | — |
| Runtime | 1,5 u / 20 u | — |
| Properties | ||
| Weight | 115 g | 82 g+40% |
| Waterproof rating | IP67+1575% | IPX4 |
| Material | CNC aluminium | — |
| Mount | — | Vork- of kroonsteun |
| Power | ||
| Type | — | Naafdynamo 6V/3W |
| Standlight | — | 4 minuten |
Pros and cons
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)
Busch & Müller Lumotec IQ-XS
Pros
- 70 lux dynamo-powered — no battery to charge, ever
- StVZO approved with sharp cut-off, no dazzling
- Daytime running light (DRL) boosts daytime visibility by 30%
- Standlight stays on for 4 minutes after stopping at traffic lights
Cons
- Requires an existing hub dynamo — not a plug-and-play retrofit
- Wired installation is more involved than clipping on a USB light