Helmet AUTHOR Impresa Inmold 55–58 cm (grey/black) adult cycling helmet

The AUTHOR Impresa Inmold 55–58 cm (grey/black) adult cycling helmet combines an integrated Inmold shell with an EPS impact liner to provide standard impact protection for city and recreational riding. Designed with ventilation channels and an adjustable retention system, the helmet fits adults with a head circumference of 55–58 cm and aims to balance protection, comfort, and everyday usability for commuting and leisure cycling.

Advantages

The Inmold construction bonds the outer shell to the energy-absorbing EPS liner, creating a compact structure that helps dissipate impact forces while keeping overall weight low. Built-in ventilation channels promote airflow to reduce heat buildup during rides, and the adjustable retention system allows quick, precise fit adjustment for a secure and comfortable position. The neutral grey and black color scheme suits a range of bicycle styles and clothing choices.

Suitable for

• Urban commuting and short-distance city rides
• Leisure and recreational cycling on paved paths
• Casual cyclists seeking a practical, easy-to-adjust helmet
• Riders with head circumference within 55–58 cm

When it may not be suitable

This helmet provides standard impact protection intended for everyday cycling; it is not designed for high-speed road racing, downhill mountain biking, or other disciplines that demand advanced multi-impact protection or full-face coverage. Riders who require specialized aerodynamic features or certification for competitive racing should consider helmets specifically rated for those uses.

Key specifications

• Size range: 55–58 cm head circumference
• Construction: Inmold (integrated outer shell and EPS liner)
• Protection level: standard single-impact EPS energy absorption
• Ventilation: integrated airflow channels
• Retention: adjustable rear retention system and adjustable chin straps
• Color: grey/black

How to use

Place the helmet on the head so it sits level and covers the forehead without tilting back. Adjust the rear retention mechanism until the helmet feels snug but comfortable; tighten or loosen the chin strap so only two fingers can fit between the strap and the chin when fastened. Inspect the helmet before each ride for visible damage or cracks and replace it after a significant impact. Clean the shell and straps with mild soap and water, and avoid harsh chemicals that could degrade materials.

What to consider before purchase

• Measure head circumference to confirm the 55–58 cm size range is appropriate
• Check whether the helmet’s protection level matches intended cycling activities
• Consider ventilation needs based on typical riding conditions and climate
• Assess fit adjustability and strap comfort if you wear glasses or a cycling cap

Usage recommendations

For reliable everyday use, ensure the helmet is correctly positioned and adjusted for each ride, replace it after any significant impact, and follow maintenance guidance to preserve protective properties and fit.