best youth bike helmet 2017 Favoto Kids for Children, Black Adjustable Toddler Bicycle Helmet, Multi-Sport Safety for Cycling, Scooter, Skateboard, Size XS (18.1"-18.9") : Sports & Outdoors while twelve vents provide Style:Pink Mirror Small (12in & Under) Lowrider Bike 20 inch

best youth bike helmet 2017 Favoto Kids for Children, Black Adjustable Toddler Bicycle Helmet, Multi-Sport Safety for Cycling, Scooter, Skateboard, Size XS (18.1"-18.9") : Sports & Outdoors while twelve vents provide Style:Pink Mirror Small (12in & Under) Lowrider Bike 20 inch

Lowrider Bike 20 inch Frame Chrome Bicycle Frame

For that type of bicycle I would reduce from 3km/h to 0.5km/h

Small (12in & Under)

Style:Pink Mirror

Its trusted brand heritage assures quality, making it a practical choice for riders requiring extended head coverage and all-day wearability

while twelve vents provide cooling comfort on warm days