ALBA OPTICS DELTA BLUE GLOSSY VZUM™ F-LENS FIRE

Built for Australian light.

Australian cyclists often ride through the widest range of light conditions imaginable.

A ride may begin before sunrise, pass through shaded roads and tree cover, emerge into harsh summer glare, then finish beneath a completely different sky. The ALBA OPTICS DELTA with VZUM™ F-LENS FIRE was designed for exactly this reality.

Handmade in Italy, the DELTA combines one of modern cycling’s most iconic silhouettes with advanced photochromic lens technology that continuously adapts throughout the ride.

The VZUM™ F-LENS FIRE automatically transitions between Category 1 and Category 3 protection depending on UV exposure. Instead of forcing riders to choose between low-light visibility and bright-sun protection, the lens dynamically adjusts as conditions change, helping maintain clear vision from dawn bunch rides through to exposed midday roads.

For Australian road and gravel cyclists, this versatility becomes particularly valuable across:

• early morning training rides

• winter bunch rides

• changing mountain weather

• shaded forest roads

• bright coastal highways

• long endurance rides under strong Australian sun

The FIRE lens tint enhances contrast while maintaining a vibrant visual field, helping riders better distinguish road texture, gravel surfaces, potholes, painted road markings and changing terrain as light conditions evolve throughout the day. The photochromic technology continually adapts without requiring lens changes or carrying multiple pairs of glasses.

The DELTA frame is constructed from premium TR90, a nylon and carbon-fibre composite that is approximately 20% lighter than many conventional frame materials while offering exceptional resilience against impacts, deformation and prolonged exposure to heat. For Australian summers and long days in the sun, this stability becomes particularly important.

At just 26 grams, the DELTA remains remarkably comfortable during all-day rides. The frame shape provides a wide and natural field of vision while allowing riders to smoothly transition their focus between the road ahead, the wheel in front and their cycling computer without distraction.

Integrated ventilation ports within the VZUM™ lens help reduce condensation and fogging during cool starts, climbing efforts and rapidly changing temperatures. The interchangeable lens platform also allows future lens upgrades while preserving the unmistakable DELTA aesthetic.

At Chainsmith, we deliberately favour photochromic lens options because Australian riding conditions rarely remain constant. The F-LENS FIRE gives riders one of the most versatile eyewear solutions available for year-round road and gravel riding.

One lens.

From first light to full glare.

Exactly how Australian cyclists ride.