The Dirt Hero off-road balance bike takes 12″ & 14″ wheel sizes.  The wheel kits come with everything you need to change your wheel size. 2 x wheels with Vee Tire Co Crown Gem 2.25″ off-road tyres  Dropout adapters Spokes: 2mm stainless steel Lacing: 16x radial lacing Front hub: KRS custom through axle 100mm Rear…