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Product guide

Niftii Kids Vented Bike Helmet, 54–59 cm

The Niftii Vented Helmets kids bike helmet is listed with an adjustable fit for 54–59 cm head circumferences, a vented design and a polycarbonate outer shell. Its listed fit range is more useful than the broad age guidance, so measure the child’s head before choosing it.

At a glance

  • The listing specifies a 54–59 cm head fit and an adjustable rear dial and strap.
  • Vents are intended to encourage airflow during rides and other active use.
  • The listing describes use for cycling, scootering, skateboarding and roller skating.
  • The outer shell is listed as polycarbonate, and the listed weight is 337 grams.
Price
£15.99Save 47%

Reference price: £29.99

Price checked: 13 Nov 2026

View offer

Pros and cons

Pros

  • The stated head-circumference range gives a practical measurement to compare against a child’s fit.
  • Rear-dial and strap adjustment allow fit adjustments beyond the one-size label.
  • The listed activities extend beyond cycling to several wheeled sports.

Technical specifications

12 specifications
Identity
BrandNiftii
ModelNiftii Vented Helmets
ColourPink
Age rangeKid
SizeOne Size
Fit and construction
Head fit and features54–59 cm Head Fit, Adjustable Rear Dial and Strap, Multisport Use, Ventilated Design
Outer materialPolycarbonate (PC)
Recommended useCycling
Dimensions and installation
Dimensions listed16 x 28 x 22 centimetres
Weight listed337 Grams
Other details
Country of originChina
Included componentsVented Helmet

What to know before buying

Listing details to confirm

The title and feature copy suggest ages 5–15, while the specifications list only “Kid” and the description says approximately 5–15 years. Treat the age range as guidance and measure head circumference. The description also calls the size Medium while the details list One Size, and the main listing does not establish a safety certification. Verify fit and any required certification before buying.

What’s in the box

Included
  • Vented helmet

Who is it for?

A good fit for

  • Children whose measured head circumference falls within the listed 54–59 cm range.
  • Families looking for a vented helmet described for cycling and other wheeled activities.

Less suited to

  • Children whose head circumference is outside the listed 54–59 cm range.
  • Buyers who require a stated safety certification, as none is established in the supplied main listing.
Niftii Kids Vented Bike Helmet, 54–59 cm · photo 2
Additional product photo 2

Customer reviews on Amazon

5 / 5 · 1 ratings
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Frequently asked questions

What head size does the helmet fit?

The listing gives a 54–59 cm head fit. Measure the child’s head and use that range rather than relying on age alone.

Can it be used for activities other than cycling?

The listing describes it for cycling, scootering, skateboarding and roller skating.

Does the listing establish a safety certification?

No safety certification is stated in the supplied main product details. Check the selected listing if certification is a requirement.

What is included?

The listed component is one vented helmet.

Niftii Kids Vented Bike Helmet, 54–59 cm · photo 3
Additional product photo 3

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