E-540x3i Boys 3-Speed Hybrid Bike Black/WhiteThe BYK E540x3i Bike is a perfect fit for your fast growing kid. BYK make the lightest, most comfortable, efficient bikes on the market and this bike will enhance their riding experience! It has 3 internal gears which are low maintenance and shift crisply and efficiently. A lightweight bike suitable for the confident rider. 540X3I AGE: 7 11 YEARS HEIGHT: 130 160 CMS Ability Level: Confident rider, with the safety of internal gears and added footbrake.