Abus Urban-I 4.0 ACE graphite silver

Abus Urban-I 4.0 ACE city bike helmet, graphite silver

The Abus Urban-I 4.0 ACE graphite silver is an evolved version of the Urban-I 4.0 urban helmet, designed for cyclists seeking superior visibility, everyday comfort, and a style suited to urban mobility. This ACE version retains the technical foundation of the 4.0 generation while incorporating enhanced rear lighting and premium finishes for regular use in the city, trekking, or e-biking.

Designed for commuting, daily travel, or leisure outings, the helmet combines optimized ventilation, a precise fit, and a robust in-mold construction. The rechargeable magnetic rear light offers multiple lighting modes and extended battery life thanks to a larger battery capacity.

Design and protection

In-Mold manufacturing process

The In-Mold construction directly bonds the internal EPS foam to the outer polycarbonate (PC) shell, creating a durable and robust assembly for everyday urban use.

Structure and materials

• Main material: EPS + PC
• Number of shells: 2
• Complete head ring
• Lower edge protection: the outer shell covers the bottom of the helmet to limit scratches and wear.

Ventilation and passive visibility

• 16 ventilation openings for balanced airflow
• Integrated insect screen to prevent small insects from entering without reducing airflow
• Reflective stickers to improve nighttime visibility

Comfort and adjustments

Zoom™ Spin Adjustment System

The Zoom™ Spin system allows for precise adjustment via a rear dial to adapt the helmet to the head size. The simplified design makes adjustments easier and improves everyday comfort.

Compatibility with long hair

Thanks to the height adjustment, the helmet is compatible with long hairstyles such as ponytails, braids or buns.

Straps and closure

• Trivider™ flat strap distributor with fixed position to limit unintentional adjustments
• FIDLOCK magnetic closure for one-handed opening and closing
• Classic straps

Padding

• Heat-sealed comfort cushions
• Removable and washable padding
• Velcro fastening for easy maintenance

ACE Magnetic Rear Light

Integrated LED rear light

The rechargeable magnetic rear light attaches to the back of the helmet to ensure 180-degree visibility. In this ACE version, it features more powerful LEDs, a diffuser for even light distribution, and extended battery life thanks to two batteries.

Lighting modes and performance

• Modes available: Steady, Power, Pulse and Flash
• Minimum battery life depending on the mode: approximately 4.3 hours to 35 hours depending on usage conditions
• Full charge time: approximately 1.5 hours
• Mounting: magnetic light
• Battery type: lithium polymer
• Battery capacity: 200
• Voltage: 3.7 V
• Luminous flux: 6.7 lm
• Lamp weight: 19 g
• Protection rating: IP44

Equipment and finishes

Clip-on visor

The helmet is equipped with a removable visor fixed by pins to limit glare and improve visual comfort.

Use and category

• Helmet type: urban helmet, trekking helmet, electric bike helmet
• Suitable for: young people and adults
• Patterned: no
• PSTI compliance required: no
• PSTI compliance assured: no

Sizes and weights

Size guide

• S: 51-55 cm - 260 g
• M: 54-58 cm - 280 g
• Length: 57-61 cm - 300 g
• XL: 60-64 cm - 320 g