Zéfal Spy vs Corky Urban Helmet Mirror
Comparison 2026 — Bike Mirrors
Our verdict
Based on our weighted scoring, the Zéfal Spy edges out the Corky Urban Helmet Mirror with an overall score of 70/100 against 68/100. It scores particularly well on field of view (66/100) and sturdiness (60/100), making it the better all-round pick in Bike Mirrors.
The Corky Urban Helmet Mirror remains a sensible alternative if price is your main concern — it lands at €22.00 versus €12.00.
Field of view winner
Corky Urban Helmet Mirror
6% higher than its rival
Value winner
Zéfal Spy
22% better value for money
Specifications
| Specification | Zéfal Spy | Corky Urban Helmet Mirror |
|---|---|---|
| Price | €12.00+83% | €22.00 |
| Rating | ★4 (2,450) | ★4.1 (340) |
| Overall | 70/100+3% | 68/100 |
| Mirror | ||
| Type | Klemspiegel plat | Helmspiegel convex |
| Diameter | 54 mm+13% | 48 mm |
| Field of view | ~20° | ~20° (+ hoofdbeweging) |
| Lens material | Kunststof gespiegeld | Convex acrylic, gecoat |
| Mounting | ||
| Bar clamp | Ø 22–32 mm (rubberen band) | n.v.t. — helmmontage |
| Weight | 35 g | 22 g+59% |
| Stem material | Kunststof / rubber | Glasvezelversterkt nylon |
| Fastener | Enkele zeskantbout | 3M VHB plakpad |
Pros and cons
Zéfal Spy
Pros
- Fits any bar diameter from 22 to 32 mm thanks to a rubber clamp
- Friendly price around 12 euros — a low barrier to trying a mirror
- Flexible arm can face either inboard or outboard
- Light (35 g) — barely noticeable on the bar
Cons
- Plastic lens gives a hazy reflection at distance, especially in rain
- Vibrates noticeably on cobbles and broken concrete — image becomes unsteady
Corky Urban Helmet Mirror
Pros
- Field of view follows head movement — more active rear vision than a fixed bar mirror
- No handlebar real estate needed — ideal when the bar is full of computers and bells
- Lightweight (22 g) — barely felt on the helmet
- Ball joint allows fine-tuning to the degree
Cons
- 3M adhesive pad lasts two to three years before it needs moving or replacing
- Small lens takes practice to use quickly under load