Rider-matched picks
Helmets for 5 year olds
Size-matched helmets picks for 5 year olds, with fit and feature priorities curated for how 5 year olds actually ride.
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Helmets picks for 5 year olds
Check Amazon for current pricing and availability.

Bell
Bell Nomad 2 Jr. MIPS Youth Bike Helmet - Matte Pink (2022), Universal Youth (52-57 cm)
Universal Youth, 52-57 cm.

Giro
Giro Fixture MIPS Bike Helmet - Matte Black/Grey - Universal Adult (54-61 cm)
This offer is size Universal Adult (54-61 cm), color Matte Black/Grey. Measure head circumference and check the manufacturer size chart and certification label. Children under one year should not ride as bicycle passengers.
Kask
Kask Protone Icon - White, Large
S 50-54 cm, M 54-58 cm, L 58-62 cm

Lazer
Lazer Codax KinetiCore Bike Helmet
One-size adult shell for 54-61 cm heads. It is a good first helmet if the rider wants easy dial adjustment and does not need a race-light road lid.

Mongoose
Mongoose All Terrain Kids Bike Helmet (Ages 5-8)
Multisport kids helmet built for ages 5-8. Microshell shell stays light enough for skateboarding and scooter use, while the internal pads and adjustable dial keep it snug as kids grow.

Poc
POC Omne Air MIPS
Selected M 54-59 cm variant. Measure head circumference and check the manufacturer's size chart and physical fit before ordering.

Royalbaby
RoyalBaby Kids Helmet (Ages 5-13)
Designed for kids ages 5-13. Adjustable dial accommodates a growing child without needing a new helmet each season. Pair with the matching knee/elbow set for first-time riders.

Schwinn
Schwinn Classic Teddy Bear Helmet - XS 44-50cm
This offer is size X-Small (44 - 50cm), color Teddy Bear. Measure head circumference and check the manufacturer size chart and certification label. Children under one year should not ride as bicycle passengers.

Smith
Smith Persist MIPS
S 51-55 cm, M 55-59 cm, L 59-63 cm

Woom
Woom Ready Helmet - Medium Red
This offer is size M, 53-57 cm, color Red. Measure head circumference and check the manufacturer size chart and certification label. Children under one year should not ride as bicycle passengers.

Bell
Bell Nomad 2 Jr. MIPS Youth Bike Helmet - Matte Hi-Viz (2022), Universal Youth (52-57 cm)
Universal Youth, 52-57 cm.

Giro
Giro Fixture MIPS II Bike Helmet - Matte White/Grey - Universal Adult (54-61 cm)
Universal Adult, 54-61 cm.
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What matters for 5 year olds
Five-year-olds are typically ready for a 16" wheel bike, though smaller children (under 107 cm) may still fit a 14" bike better. At this age, the majority of children have the coordination to ride without training wheels, and many can begin using hand brakes alongside or instead of a coaster brake. The correct fit means your child can sit on the saddle and touch the ground with the balls of their feet - flat-footed contact is no longer necessary. Look for bikes with a simple single-speed drivetrain; gears are unnecessary and add weight and complexity. A quality 16" bike typically weighs 6-8 kg; avoid anything over 9 kg, as heavier bikes are a serious barrier to enjoyment and skill progression.
Helmets sizing guidance
Measure head circumference at the widest point across the forehead. Most brands size: XS (50-53 cm), S (53-56 cm), M (56-59 cm), L (59-62 cm), XL (62+ cm). Kids helmets typically start at 47-50 cm. Always try before buying; fit varies by brand.
Most 5 year olds choosing helmets also compare fenders & mudguards for 5 year olds, gloves for 5 year olds, and kickstands for 5 year olds.
Expert tips
- Most 5-year-olds who used a balance bike are ready to ride a pedal bike without training wheels right away
- A 16" bike is the workhorse for this age - plan on getting 1.5 to 2 years of use before sizing up to 20"
- Introduce hand brakes alongside the coaster brake so the child starts building the habit early
- Let your child practice starting and stopping before worrying about long rides
Style variants
If color and cut affect whether the gear actually gets worn, compare boys' helmets with girls' helmets for this age before picking by pattern alone.
Helmets head-to-head comparisons
Cross-shop the helmets 5 year olds actually consider - specs, fit, and the deciding factor.
Compare Bell Pint 48-52cm with Schwinn Classic Teddy Bear XS 44-50cm. Choose by measured head circumference, physical fit and certification.
A comparison of two adult recreational helmets with overlapping fit, but different listed features and price points.
Both are adult-use helmets with overlapping fit ranges; compare the listed features and exact offer details before buying.
Compare Giro Register MIPS II Helmet - Matte White/Grey and Kask Protone Icon - White, Large by their listed features, fit, and intended use.
Compare Giro Register MIPS II Helmet - Matte White/Grey and Lazer Codax KinetiCore Bike Helmet by their listed features, fit, and intended use.
Compare Kask Protone Icon - White, Large and Lazer Codax KinetiCore Bike Helmet by their listed features, fit, and intended use.
Two premium road helmets with different approaches to rotational-impact protection - Kask's WG11 protocol and the POC Omne Air MIPS. Compare their fit, retention, and current Amazon variants.
A compact Lazer kids helmet against a budget multisport helmet. Fit certainty and the child's actual head measurement matter more than the logo here.