rockbros kids full face helmet kids bike helmets lightweight toddler mountain bike helmet detachable for mtb bmx skating cycling scooter safety bicycle helmets for youth child boys girls ages 3-16 orange yellow small is up for auction in Sports & Outdoors. The current bid is $3.50, 95% below the $76.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.