MOKFIRE Junior Kids Bike Helmet - Youth Cycling Helmet Mountain Bike Adjustable Dial Removable Visor Boys Girls Age 5-13 Years Old (54-57CM) : Amazon.co.uk: Sports & Outdoors
BELL Aero Bike Bicycle Helmet With Visor 53 - 57cm Youth Mountain Cycling EUC 8+ | eBay
Abus Youn-I 2.0 Youth Mountain Bike Helmet in Green