The ByK helmet meets the highest safety standards in the world. With the fully adjustable new ByK fit system, sizing suits a range from 50 to 56cms head size, or most kids between 4-10 years. A reflective panel on the rear, chin protector, sun visor, large vents and vibrant colours makes the ByK helmet no.1 in safety and design. With innovations in fit and comfort the aerodynamic ByK E-50 helmet is a perfect match to the colours and graphics of the ByK bike range.