Strider 12 Sport No-Pedal Balance Bike The #1 Selling, Most highly rated, Highest Reviewed Balance Bike in the World.STRIDER has the youngest starting age: 18 months. If they can walk they can ride!The Most Adjustable Seat & Handlebar Height of any Balance Bike.STRIDER gives children the Easiest Transition to a Pedal Bike.In addition to the mini-seat (18-36 months), the 12 Sport model also includes a padded seat with extra long seat post (36-60 months). Strider 12 Sport No-Pedal Balance Bike Strider 12 Sport Our Feature-Rich, Mid-Level Model. A fun way to learn two-wheel balance Strider balance bikes are the industry-leader when it comes to helping children as young as 18 months learn to ride on