The frog 69 kids bike 2017 is designed for 10 12 years old with a high quality frame and its undeniable good value means that its perfect for any child who is looking for a bike to go on adventures journeys or simply just riding around the high quality frame and 8 speed shimano easy change thumb shifters make it feel like the rider is in full control of their bike and speed the frog 69 also include adjustable tektro brakes and an easily adjusted saddle height allowing the rider to adjust to t