10 Best Bicycle Helmets 2025 in the United States

The Giro Fixture MIPS Adult Mountain Cycling Helmet is designed to meet the needs of most cyclists, providing a blend of protection, comfort, and style. One of its standout features is the integrated MIPS (Multi-Directional Impact Protection System), which enhances safety by redirecting impact forces during a crash. This makes it a strong contender for those prioritizing safety in a helmet. The helmet also boasts 18 Wind Tunnel vents with internal channeling, ensuring excellent ventilation to keep you cool during long rides. This is particularly beneficial for mountain bikers who exert more energy and need efficient cooling systems.

In terms of fit, the universal adult sizing (54-61 cm) and the adjustable feature make it easy to achieve a snug and secure fit right out of the box, catering to a broad range of head sizes. Comfort is further enhanced by the in-molding construction, which provides a rugged yet lightweight feel. Weighing just 1 pound, the helmet won’t feel cumbersome, allowing for prolonged use without causing neck strain. The helmet's matte trim blue finish adds a stylish touch, making it visually appealing.

However, it's worth noting that the helmet may not be the best option for those seeking an ultra-lightweight helmet, as there are lighter options available on the market. Additionally, while the universal fit is convenient, some users with smaller or larger than average heads may still find it challenging to get the perfect fit. The Giro Fixture MIPS helmet is a solid choice for mountain cyclists who value safety, ventilation, and a good fit, with a few minor considerations regarding weight and fit for extreme head sizes.

The Giro Fixture II MIPS helmet is designed to fit a wide range of head sizes, making it suitable for men, women, and kids thanks to its universal adjustable sizing. This feature ensures most users can achieve a comfortable and secure fit right out of the box. Comfort is enhanced by the helmet's relatively light weight of just 10 ounces, which helps reduce neck strain during longer rides.

Ventilation is a strong point with 18 Wind Tunnel vents that promote good airflow to keep your head cool on warm days. Safety is a priority with the inclusion of the MIPS (Multi-Directional Impact Protection System), which helps reduce rotational forces during impacts—a valuable addition for mountain biking where crashes can be unpredictable. The helmet's construction combines a tough polycarbonate outer shell with in-molding technology, adding durability without excessive bulk.

The Giro Fixture II MIPS serves as a reliable choice for casual riders and those seeking solid protection and comfort in a versatile helmet.

The Retrospec Lennon Bike Helmet is designed for both casual and serious cyclists, featuring adjustable fit for heads ranging from 54-61 cm (21.25-24 inches) with the ErgoKnob-2 dial-fit system. This ensures a snug and secure fit, which is critical for safety. Comfort is also a highlight, thanks to its premium padding that can be removed for washing.

With 15 vents and internal air channels, the helmet provides excellent ventilation, keeping your head cool even during long rides. Weighing only 16 ounces, it is lightweight, which adds to the comfort for prolonged use. Safety is enhanced by a built-in 5-LED light on the back, making you more visible to others on the road, and it comes in bright colors to suit different preferences.

This helmet is a good option for both men and women looking for a versatile, comfortable, and well-ventilated helmet, but it is important to ensure it meets your head size before purchasing.