Which bike size will fit my kid? Support November 28, 2018 13:40 Updated Follow We have 5 bicycle sizes for kids. To find the correct size, measure their inside leg. You could find the size chart here Click here to go back to our website. Related articles Do your children's bikes come with stabilisers / training wheels? How to assemble a Junior bike? Which bike size will fit me? Do you have a retail shop? Where can I buy Bobbin bikes? Comments 0 comments Article is closed for comments.