bike.helmet sizes Glaf Toddler Helmet for 2-8 Years Kids Bike Helmets Baby Girls Boys Multi-Sport Adjustable Skateboard Bicycle Helmet Lightweight 4 for Toddlers (Baby Pink, Small: 20.08"-21.26" / 51cm-54cm) : Sports & E-scooters Save Up to 60% Straw Hat Bike Helmet Color:Matte Black Riptide

bike.helmet sizes Glaf Toddler Helmet for 2-8 Years Kids Bike Helmets Baby Girls Boys Multi-Sport Adjustable Skateboard Bicycle Helmet Lightweight 4 for Toddlers (Baby Pink, Small: 20.08"-21.26" / 51cm-54cm) : Sports & E-scooters Save Up to 60% Straw Hat Bike Helmet Color:Matte Black Riptide

Save Up to 60% Off Schwinn Road Bikes, Le Tour Super, Reynolds 520 Chromoly steel frame road bikes

The DOT drop test specifies a minimum distance but also a drop speed, with section S7.1.4(b) stating “ The guided free fall drop height for the helmet and test headform combination onto the flat anvil shall be such that the minimum impact speed is 7 ft./sec (2.13 m/sec)

E-scooters

Color:Matte Black Riptide

The inclusion of the latter two tests is thought to produce safer helmets than those only certified to ASTM standards by SEI

Straw Hat Bike Helmet (as seen on Martha Stewart) pairs a certified US CPSC helmet with a stylish removable cover.