Busch & Müller IQ-X vs Trelock LS 660 I-GO Vision
Comparison 2026 — Bike Lights
VS
Our verdict
Based on our weighted scoring, the Busch & Müller IQ-X edges out the Trelock LS 660 I-GO Vision with an overall score of 92/100 against 82/100. It scores particularly well on brightness (90/100) and battery life (100/100), making it the better all-round pick in Bike Lights.
The Trelock LS 660 I-GO Vision remains a sensible alternative if price is your main concern — it lands at €49.95 versus €89.95.
Brightness winner
Busch & Müller IQ-X
4% higher than its rival
Value winner
Busch & Müller IQ-X
2% better value for money
Specifications
| Specification | Busch & Müller IQ-X | Trelock LS 660 I-GO Vision |
|---|---|---|
| Price | €89.95 | €49.95+80% |
| Rating | ★4.7 (960) | ★4.3 (680) |
| Overall | 92/100+12% | 82/100 |
| Lighting | ||
| Brightness | 100 lux | 100 lux |
| Certification | StVZO, CE | StVZO, CE |
| Standlight | Ja, met condensor | — |
| Power | ||
| Type | Naafdynamo 6V / 3W | — |
| Properties | ||
| Weight | 145 g | 95 g+53% |
| Waterproof rating | IP44+780% | IPX5 |
| Battery | ||
| Type | — | USB-C Li-ion |
| Runtime | — | 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
Trelock LS 660 I-GO Vision
Pros
- 100 lux with a uniform beam thanks to a custom lens design
- USB-C charging port — future-proof and fast charging
- Automatic light sensor adapts brightness to surroundings
- Made in Germany build quality and 3-year warranty
Cons
- Mounting bracket can rattle slightly on vibrations
- Higher price point than comparable Sigma lights