Nutcase Street MIPS vs Lumos Ultra
Comparison 2026 — Bike Helmets
VS
Our verdict
Based on our weighted scoring, the Lumos Ultra edges out the Nutcase Street MIPS with an overall score of 86/100 against 80/100. It scores particularly well on protection (90/100) and comfort (88/100), making it the better all-round pick in Bike Helmets.
The Nutcase Street MIPS remains a sensible alternative if price is your main concern — it lands at €89.95 versus €149.95.
Protection winner
Lumos Ultra
6% higher than its rival
Value winner
Nutcase Street MIPS
14% better value for money
Specifications
| Specification | Nutcase Street MIPS | Lumos Ultra |
|---|---|---|
| Price | €89.95+67% | €149.95 |
| Rating | ★4.4 (1,120) | ★4.3 (780) |
| Overall | 80/100 | 86/100+8% |
| Protection | ||
| Certification | CE EN 1078, CPSC | CE EN 1078, CPSC |
| MIPS | Ja | Ja |
| Fit | ||
| Sizes | S (52-56), M (56-60), L (60-64) cm | M (54-58), L (58-62) cm+4% |
| Weight | 370 g (M)+4% | 385 g (M) |
| Closure | Fidlock magnetisch | — |
| Lighting | ||
| Type | — | 360° LED, wit voor + rood achter |
| Brake light | — | Ja, automatisch |
| Battery | — | USB-C, 6 uur |
| Connectivity | — | Bluetooth, Garmin |
Pros and cons
Nutcase Street MIPS
Pros
- MIPS liner protects against rotational impacts in a crash
- Magnetic Fidlock buckle closes one-handed, even with gloves
- Dozens of unique colourways and graphics to choose from
- Thick, removable padding is machine-washable
Cons
- Less airflow than sport helmets because of the closed shell
- The round silhouette doesn't suit every head shape
Lumos Ultra
Pros
- MIPS liner adds rotation-impact protection in oblique crashes
- 360-degree integrated LEDs with automatic brake light
- USB-C rechargeable — up to 6 hours of runtime per charge
- Pairs with Apple Watch and Garmin for turn-signal control
Cons
- Significant price premium over standard helmets
- Heavier than lightless alternatives at 385 g