Rockbros Adult Bike Helmet In-Mold LK-66

Ride Lighter. Stay Cooler. Go Further.

Meet the ROCKBROS LK-66 Adult In-Mold Bike Helmet — engineered for cyclists who refuse to compromise on comfort, safety, or style. Whether you're tackling steep climbs, long endurance rides, or daily commutes across Australia, the LK-66 delivers professional-grade protection in an ultra-lightweight shell that you'll forget you're even wearing.

Key Features

• Ultralight In-Mold Construction — The PC shell is fused directly with the EPS foam core for a lightweight yet rigid structure that minimises neck fatigue on long rides.
• Advanced Ventilation System — Precision-engineered vents channel airflow across your head, keeping you cool and fresh even on the toughest climbs or hottest Australian days.
• ionic+™ Plant-Based Antibacterial Liner — The moisture-wicking, removable inner liner actively inhibits bacteria growth, keeping your helmet fresh ride after ride.
• PC Wrapped Edge Protection — The reinforced PC rim protects the EPS foam from daily bumps and drops, extending the life of your helmet.
• Adjustable Rear Dial Fit System — Dial in the perfect fit in seconds. The rear retention system is compatible with a wide range of head shapes and sizes (58–62cm).
• Dual Color Options — Available in sleek Matte Black or Matte White to suit your riding style.

Specifications

• Brand: ROCKBROS
• Model: LK-66
• Weight: Approx. 240g ± 30g
• Size: Approx. 27 x 18 x 14 cm
• Head Circumference: 58–62cm
• Shell Material: PC Shell + EPS Foam
• Liner: Polyester & Sponge Padding with ionic+™ Antibacterial Treatment
• Buckle: PP/POM
• Straps: Nylon
• Colors: Matte White, Matte Black
• SKU (White): 100049003 | SKU (Black): 100049007

Designed for road cyclists, commuters, and recreational riders, the LK-66 is the perfect everyday helmet that doesn't sacrifice performance for price.