Dk nano balance bikethe dk nano balance bike is a great way to introduce your child to the world of bicycle riding without the use of training wheels or a tricycle with the help of world champion bmx racer caroline buchanan dk nano bikes have been designed from the ground up to meet the needs of children and parents alike features include a hi tensile strength frame with integrated foot platform aluminium handlebar 1 thread less headset and fork 12 aluminium wheels with inflatable tyres