NOTE: Length is not adjustable. Size 16" represents it suits for 16 inch wheel kids bikes. Please choose according to the bike wheel size. SAFER WITH BUILT-IN SPRING: Built-in spring is more safe ...

Woom offers a 10-year warranty on the frames ... We enlisted kids between the ages of 6 and 9 to test the 20-inch versions of the 16-inch bikes we recommend, and we found that some were just ...