Best Polycarbonate Bike Helmets of 2025

The ABUS Macator Helmet is designed for urban cycling, featuring a lightweight and durable construction with a combination of EPS core and polycarbonate shell. This means you get a sturdy helmet that won't weigh you down. The full-ring adjustment system ensures a snug fit around your head, enhancing comfort and safety. With excellent ventilation provided by five air inlets and eight outlets, you'll stay cool during your rides. Additionally, the Zoom Ace adjustment wheel allows for easy customization, so you can adjust the fit to your preference quickly and conveniently.

The ABUS Macator Helmet is designed for urban cyclists who prioritize safety and comfort. Its lightweight construction combines an EPS core with a durable polycarbonate shell, ensuring you stay protected without feeling weighed down. The adjustable full-ring system wraps around your head for a secure fit, while the Zoom Ace adjustment wheel allows for quick and easy customization. You’ll also enjoy excellent airflow thanks to five ventilation inlets and eight outlets, keeping you cool during your rides. Plus, the built-in bug mesh offers full protection from pesky insects, making your cycling experience more enjoyable.

The Zacro Bike Helmet is designed with your safety and comfort in mind. It meets both European and U.S. safety standards, ensuring you are well-protected while riding. The helmet features a lightweight construction with a polycarbonate shell and shock-absorbing foam, which helps reduce impact during falls. With 18 ventilation vents, it promotes airflow to keep your head cool on warm rides. Additionally, the adjustable fit system allows you to customize the helmet to your head size, providing a secure and comfortable fit for both teens and adults.

The Giro Radix Helmet is designed for comfort and safety during your rides. Its adjustable Roc Loc 5.5 MIPS system allows you to tailor the fit to your head, ensuring stability and comfort over long distances while reducing the risk of injury from impacts. The P.O.V. visor can be adjusted up to 15 degrees, giving you flexibility in sun protection. With a durable polycarbonate outer shell bonded to the EPS foam liner, this helmet is built to withstand the rigors of cycling while promoting airflow. Plus, the wind tunnel vents with internal channeling enhance ventilation to keep you cool on hot days.

The Giro Register Helmet offers advanced safety and comfort features for cyclists. Its MIPS Evolve Core technology helps reduce rotational forces during impacts, enhancing your protection while ensuring a snug fit. The deep internal channeling combined with large vents promotes excellent airflow, keeping your head cool on warm rides. The In-Mold Construction makes the helmet lighter and improves ventilation, which is essential for long-distance cycling. Additionally, the Roc Loc Sport fit system allows for easy one-handed adjustments, ensuring you can quickly find the perfect fit for maximum comfort.

The Giro Isode Helmet features advanced safety technology and comfort for cyclists. With its MIPS Evolve Core, it reduces rotational forces during impacts, enhancing your protection. The In-Mold Construction combines a durable outer shell with a foam liner, resulting in a lighter and better-ventilated helmet. The Roc Loc Sport fit system allows you to easily adjust the helmet for a snug fit, while its deep internal channeling promotes airflow, keeping your head cool during rides. You can also enjoy the convenience of a quick link removable visor, adding versatility to your cycling experience.