The Maxi is the highest quality, best performing scooter for kids ages 5-12, The Maxi was engineered and constructed for superior durability - for kids in this age group, it had to be , The Maxi's wheels are made of the highest quality PU which creates an incredibly smooth glide, perfect for Urban, or Suburban, pavements., 120 mm wheels, 3-wheel lean to steer design, Every part on the Maxi is replaceable - patented modular design