Trelock LS 660 I-GO Vision vs Knog Blinder 900
Comparison 2026 — Bike Lights
Our verdict
Based on our weighted scoring, the Trelock LS 660 I-GO Vision edges out the Knog Blinder 900 with an overall score of 82/100 against 80/100. It scores particularly well on brightness (86/100) and battery life (84/100), making it the better all-round pick in Bike Lights.
The Knog Blinder 900 remains a sensible alternative if price is your main concern — it lands at €69.95 versus €49.95.
Brightness winner
Knog Blinder 900
8% higher than its rival
Value winner
Trelock LS 660 I-GO Vision
4% better value for money
Specifications
| Specification | Trelock LS 660 I-GO Vision | Knog Blinder 900 |
|---|---|---|
| Price | €49.95+40% | €69.95 |
| Rating | ★4.3 (680) | ★4.2 (420) |
| Overall | 82/100+3% | 80/100 |
| Lighting | ||
| Brightness | 100 lux | 900 lumen+800% |
| Certification | StVZO, CE | CE |
| Battery | ||
| Type | USB-C Li-ion | USB ingebouwd |
| Runtime | 5 u / 20 u+233% | 1,5 u / 20 u |
| Properties | ||
| Weight | 95 g+21% | 115 g |
| Waterproof rating | IPX5 | IP67+1240% |
| Material | — | CNC aluminium |
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
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)