About the Trek Precaliber 12 The Precaliber 12 is the perfect first bike for little riders who are ahead of the curve and ready for two wheels at a younger age than most. It has a handle built into the saddle so you can guide them as they ride, and tool-free training wheels that are super easy to install and remove. It\\\'s a great fit for kids aged 3-4, between 36-40¿ (91-102 cm) tall. Your kid may be young and small, but they\\\'re ready to ride! You want to make their first real bike experience a great one with a bike that\\\'s comfortable, durable and fun. This toddler-friendly bike has a handle integrated right into the saddle so you can help guide your child while they ride, plus a coaster brake and tool-less training wheels that can be installed and removed at the turn of a dial. Plus, the lightweight aluminium frame is easy for your little one to manoeuvre. You want to make sure that your child\\\'s first bike is comfortable, durable and fun. Each of our bikes, all the way down to the smallest size, is built to our highest standards, so you can feel confident when you choose Trek for your family. Key Features Better than big box bikes, and your kid deserves it. Frame and parts are dialled to fit kids right from the start. Fun, kid-friendly details come standard Trek quality, safety and fun About the Brand Trek Bikes began in 1976, and their mission was simple: Build the best bikes in the world. Today, Trek gives the brightest and most passionate cycling designers and researchers the resources to question everything. Because innovation happens only when you have the courage to ask the hard questions and go where no one has gone before. To lead, you must invent. Trek Factory Racing athletes compete at the highest level of their sport and inspire all to experience the grit and glory of professional cycling. Bike Sizing Choosing the bike size depends on the type of bike, your height, your riding style, and your preference. A correct fitting bike will be more comfortable, more efficient and more fun to ride. This bike size guide gives our customers general advice on choosing the right size. It is a guide only and we always recommend visiting one of our stores or contacting one of our experts. Kids Bike Size Guide Kids Bikes Buying Guide