The mafiabikes bbkush (baby kush) 16 inch wheel based BMX is perfect for children aged around 5-8 looking to become that rad BMX rider. This kids BMX has been designed to be a perfectly scaled down 16 inch version of the standard 20 inch BMX, suitable for children aged 5 to 8 (20kg +). Is your child over 8 years old or tall for his age? Check out our 18 inch madmain range. Please see our other models if you require a BMX for 11 years up.