Kiddimoto Helmet - Metallic GreenThese children's cycle helmets bring style and safety together and are multifunctional! Not only can you use these on your Kiddimoto Wooden Balance Bike but you can use them for cycling, skating, anything! The vents in the helmet keep you cool whilst you're whizzing along and the extra pads give a comfortable personal fit to your head. Specs Small: 48 52cm Medium: 53 58cm Tip: Use a measuring tape and measure around the widest point of the head which