Kask Rex Bicycle Helmets

A lightweight and highly ventilated trail helmet built for enduro, all‑mountain, and aggressive singletrack riding. With extended rear and side coverage plus integrated accessory mounts, the Kask Rex keeps you protected and ready for any terrain.

Best for

• Enduro riders who need extended coverage and strong ventilation.
• Trail riders looking for a lightweight helmet for long days on the bike.
• All‑mountain riders who use accessories like lights, action cameras, or goggles.
• Anyone who wants a helmet that packs easily into a backpack or gear bag.

Not ideal for

• Downhill riders who require full‑face protection.
• Urban commuters who prefer integrated lights or city‑specific features.
• Riders who want a closed‑shell aerodynamic design.

What this product does

The Kask Rex provides high‑level protection with extended molding along the back and sides of the helmet, covering critical impact zones for aggressive trail riding. With 20 large vents and internal airflow channels, it delivers excellent cooling even during long climbs or hot‑weather rides. Innovative frontal padding improves sweat management, while the Octo‑Fit system offers a wide adjustment range to comfortably fit different head shapes. A removable multi‑position visor, integrated goggle retention clip, and top accessory mount make it easy to attach lights or action cameras. At just 310 grams, the Rex is one of the lightest helmets in its category, offering all‑day comfort without sacrificing safety.

Compatibility

• Works with goggles using the integrated rear retention clip.
• Top accessory mount fits action cameras and lights.
• Removable visor allows setup for trail or enduro riding.
• Compact enough to store inside most backpacks or travel bags.

Benefits

• 20 vents provide strong airflow for hot‑weather riding.
• Extended rear and side coverage increases impact protection.
• Frontal padding improves sweat control and comfort.
• Octo‑Fit system ensures a secure and customizable fit.
• Removable multi‑position visor adapts to changing conditions.
• Integrated goggle clip keeps eyewear secure on rough terrain.
• Accessory mount supports lights and action cameras.
• Lux Leather chinstrap adds comfort and a premium feel.
• Ultra‑lightweight at just 310 grams.

Technical specs

• Weight: 310 g
• Ventilation: 20 vents with internal airflow channels
• Fit system: Octo‑Fit adjustable retention
• Protection: Extended rear and side coverage
• Visor: Removable multi‑position ratcheting visor
• Features: Goggle retention clip, accessory mount, Lux Leather chinstrap
• Use case: Enduro, trail, all‑mountain