Children's helmet Nils Extreme MTV35J size S (48–53 cm) lime — bike/skate safety helmet

Nils Extreme MTV35J size S (48–53 cm) lime is a children's safety helmet intended for cycling and related activities. The helmet features a compact outer shell, internal padding and an adjustable retention system with chin strap to secure a stable fit for smaller heads. Ventilation openings and a lightweight construction are designed to support comfort during daily outdoor use, urban cycling and recreational skating while maintaining basic impact protection for everyday activities.

Advantages

The helmet combines a low-profile shell with internal cushioning and an adjustable sizing mechanism, enabling an individualized fit in the 48–53 cm range. Its lightweight design reduces neck strain for young users and the ventilation channels promote airflow to help keep the head cool. The construction focuses on simple, reliable protection appropriate for children’s cycling, scooter riding and skating in casual settings.

Suitable for

• Children’s city and suburban cycling
• Recreational skateboarding and inline skating
• Riding scooters and balance bike use
• Daily outdoor play where basic head protection is needed

Key specifications

• Size: small, fits head circumference 48–53 cm
• Color: lime
• Adjustable retention system for personalized fit
• Chin strap with buckle for secure fastening
• Ventilation openings to improve airflow
• Lightweight shell and internal padding for comfort

How to use

Place the helmet level on the child’s head so the front edge sits just above the eyebrows. Adjust the retention system at the back to achieve a snug but comfortable fit, then fasten and tighten the chin strap so it sits comfortably under the chin with enough room to insert one or two fingers. Check that the helmet does not tilt forward or backward and that the ventilation openings are unobstructed. Inspect the helmet before each use for cracks, significant dents or damaged straps and replace it if it shows signs of impact or wear.

Usage recommendations

Use this helmet for routine cycling, skate and scooter activities where certified, basic impact protection is suitable. Replace the helmet after any significant impact and follow local safety guidelines for child helmet use, including correct sizing and strap adjustment for optimal protection.