- 12, 14, 16, 18, 20 inch replacement inner tubes for RoyalBaby kids bikes
- 1.75″ wide tubes for these models: Bunny, Jenny, Little Swan, and Stargirl
- 2.125″ wide tubes for these models: Buttons, CubeTube, Flying Bear, Freestyle, Honey, Space No.1 and Space Shuttle
How do I know what size bike do I have?
Check the label on the seat post. eg: RB14B-6B, 14 Here means 14 inch.
Check the tire, 14×2.4, 14 here means 14 inch.
Measure your wheel diameter, 12/14/16/18 inch is the diameter of the wheel size.