SUNGLASSES ALBA OPTICS JUMBO BLACK VZUM FLENS FIRE
ALBA OPTICS JUMBO BLACK VZUM™ F-LENS FIRE
From first light to full glare.
Australian cyclists often ride through some of the most demanding light conditions in the world.
A ride may begin before sunrise, pass through shaded roads and tree cover, emerge into harsh coastal glare, then finish beneath bright summer sunlight. The ALBA OPTICS JUMBO with VZUM™ F-LENS FIRE was developed specifically for riders who need one lens capable of adapting across all of it.
Handmade in Italy, the JUMBO represents ALBA OPTICS’ most expansive and modern performance platform. Combining an oversized field of vision with lightweight construction and advanced photochromic technology, it is designed for riders who spend long hours on the bike and experience constantly changing conditions.
The VZUM™ F-LENS FIRE automatically transitions between Category 1 and Category 3 protection depending on UV exposure. Rather than forcing riders to swap lenses or compromise visibility, the lens continuously adapts as light conditions evolve throughout the ride.
For Australian road and gravel cyclists, this becomes particularly valuable during:
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dawn bunch rides
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winter training sessions
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mountain descents
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shaded gravel sectors
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bright coastal roads
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long endurance rides under changing skies
The FIRE lens enhances contrast while maintaining a vibrant visual field, helping riders better identify road texture, gravel surfaces, potholes, painted road markings and subtle terrain changes. When moving rapidly between shade and bright sunlight, the lens adapts naturally while maintaining visual comfort and clarity.
One of the defining features of the JUMBO is its enormous field of vision. The oversized VZUM™ lens allows riders to smoothly transition focus between the road ahead, the wheel in front, the horizon and their cycling computer without interruption. During bunch riding, fast descents and endurance events, this creates a calmer and more confident visual experience.
The frame is constructed from premium TR90, a lightweight and highly durable material chosen for its flexibility, impact resistance and comfort during long rides. At just 26 grams, the JUMBO feels remarkably light despite its larger lens platform.
Three integrated ventilation ports within the lens help reduce condensation and fogging during cool starts, hard climbing efforts and rapidly changing temperatures. The interchangeable lens system also allows riders to adapt the eyewear for different seasons and conditions while preserving the distinctive JUMBO silhouette.
At Chainsmith, we deliberately select photochromic lens options because Australian riding conditions rarely remain consistent. One ride can contain darkness, fog, shade, sunshine and glare — sometimes all before breakfast.
The JUMBO F-LENS FIRE adapts through every phase of the ride.
One lens.
One pair of glasses.
Built for how Australians actually ride.
| Feature | Specification |
|---|---|
| Model | JUMBO |
| Frame Colour | Black |
| Lens | VZUM™ F-LENS FIRE |
| Lens Type | Photochromic |
| Lens Category | CAT 1–3 |
| UV Protection | UV400 |
| Frame Material | TR90 |
| Weight | 26g |
| Lens System | Interchangeable |
| Ventilation | Triple integrated lens vents |
| Optical Clip Compatible | Yes |
| Fit | Wide – Universal |
| Manufacturing | Handmade in Italy |
Your pair of JUMBO will be delivered in elegant and sturdy packaging, made from heavy black cardboard FSC certified.
You will receive a box containing:
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your pair of glasses
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reflective black leash
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a microfiber pouch and cloth
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certificate of authenticity & originality
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CE / CCUK guaranteed


