Trelock LS 660 I-GO Vision vs Busch & Müller Lumotec IQ-XS
Comparison 2026 — Bike Lights
VS
Our verdict
Based on our weighted scoring, the Trelock LS 660 I-GO Vision edges out the Busch & Müller Lumotec IQ-XS with an overall score of 82/100 against 82/100. It scores particularly well on brightness (86/100) and battery life (84/100), making it the better all-round pick in Bike Lights.
The Busch & Müller Lumotec IQ-XS remains a sensible alternative if price is your main concern — it lands at €45.00 versus €49.95.
Brightness winner
Trelock LS 660 I-GO Vision
8% higher than its rival
Value winner
Busch & Müller Lumotec IQ-XS
8% better value for money
Specifications
| Specification | Trelock LS 660 I-GO Vision | Busch & Müller Lumotec IQ-XS |
|---|---|---|
| Price | €49.95 | €45.00+11% |
| Rating | ★4.3 (680) | ★4.6 (1,820) |
| Overall | 82/100 | 82/100 |
| Lighting | ||
| Brightness | 100 lux+43% | 70 lux |
| Certification | StVZO, CE | StVZO, CE |
| DRL | — | Ja, automatisch >6 km/u |
| Battery | ||
| Type | USB-C Li-ion | — |
| Runtime | 5 u / 20 u | — |
| Properties | ||
| Weight | 95 g | 82 g+16% |
| Waterproof rating | IPX5+25% | IPX4 |
| Mount | — | Vork- of kroonsteun |
| Power | ||
| Type | — | Naafdynamo 6V/3W |
| Standlight | — | 4 minuten |
Pros and cons
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
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