Innovative click and cruise bracket and premium adjustability for the ultimate in ease of use * Fits most bikes with 26" - 28" (66 - 71cm) diameter wheels and with a tube diameter of 1-1/8" to 1-7/16" (28 to 36 mm) * Built-in suspension for child comfort on bumpy roads * One-hand, 9-position headrest and harness adjustment for optimum child fit * Ships in Certified Frustration-Free Packaging