Saddle height adjusts from 22.5 to 25 in and the handlebar from 31.5 to 32.5 in, which covers the growth between four and seven years rather than a single season. Measure a child's inseam against that saddle range - 21.5 to 24 in suits this 16 in wheel size, for riders 41.5 to 51.2 in tall. The seat carries 110 lbs. Braking works two ways: a short-reach handbrake sized for small hands, and a coaster brake that stops the bike by pedalling backwards when a child forgets the lever. A fully enclosed chain guard keeps fingers and trouser hems clear, and front, rear and wheel reflectors are fitted. Training wheels detach when balance arrives.