BELL Sixer MIPS mountain bike helmet, solid matte black, size XL (61–65 cm)

BELL Sixer MIPS mountain bike helmet in solid matte black, size XL (61–65 cm), combines trail-ready coverage with rotational impact protection. The helmet features MIPS technology integrated into a multi-impact EPS liner and a user-adjustable fit system to help maintain a secure position on varied terrain. Designed for trail and enduro riding, the Sixer MIPS balances ventilation and protection while offering extended rear coverage and compatibility with goggles and accessories.

Advantages

The Sixer MIPS provides rotational impact protection through an internal low-friction layer, paired with multi-impact EPS foam engineered to absorb repeated impacts common in off-road use. The adjustable fit system ensures a stable, personalized fit across the XL size range, while ventilation channels and internal routing help manage airflow and reduce heat buildup during sustained efforts. The helmet’s solid matte black finish is durable and easy to maintain.

Suitable for

• Trail and enduro mountain biking where extended coverage and protection are desired
• Riders who need a helmet that fits head sizes from 61 to 65 cm
• Cyclists who wear goggles or prefer compatibility with accessories
• Riders seeking a balance of ventilation and multi-impact protection for off-road use

When it may not be suitable

This helmet is optimized for mountain biking disciplines such as trail and enduro; it may be less suitable for road racing or time trials where aerodynamic profiles and lighter road-specific helmets are preferred. Riders who require a smaller or larger fit than the XL range should consider alternative sizes or models to ensure correct retention and comfort.

Key specifications

• Size range: XL, fits head circumferences approximately 61–65 cm
• Protection: MIPS rotational impact protection combined with multi-impact EPS liner
• Fit system: Adjustable retention mechanism for a secure fit
• Ventilation: Multiple airflow channels for heat management
• Finish: Solid matte black
• Use: Designed for trail and enduro mountain biking

How to use

Place the helmet on the head so it sits level and covers the forehead without tilting backward. Adjust the fit system to achieve a secure, comfortable hold that prevents excessive movement. Fasten and adjust the chin strap so it sits snugly under the chin with the side straps forming a V just below the ears. Ensure goggles or eyewear fit comfortably with the helmet and that ventilation channels are unobstructed. Inspect the helmet before each ride for visible damage and replace it if it has been involved in a crash or shows signs of compromised integrity.

What to consider before purchase

• Confirm head circumference falls within the 61–65 cm XL range for correct sizing
• Decide if the helmet’s trail/enduro design matches your primary riding style
• Check compatibility with your preferred goggles, lights, or accessory mounts
• Consider weight and ventilation needs relative to your typical ride duration and climate

Usage recommendations

Use the helmet for off-road and demanding trail riding where enhanced rotational and multi-impact protection is required. Replace the helmet after a significant impact or when foam or shell damage is visible. Clean with mild soap and water and avoid solvents that can degrade helmet materials.