GT Siren 16 F Pink OS

At this size, what you need is a lightweight bike made with an aluminum frame, with super-easy handling, all the fun and no fuss—the all-terrain 16" tires roll smooth, the simple single-speed keeps it durable, and the numberplate is for the budding 'crosser ready to go blast around the local neighborhood.

- Improved Geometry bikes with the LegitFit system feature geometry adjustments to improve ergonomics for youth statures. The result: Increased stability, comfort and confidence for a wider range of riders.
- Easier Pedaling bikes with the LegitFit system have their pedal positions moved slightly forward. The result: Makes it easier to pedal.
- Better Positioning bikes with the LegitFit system have narrower crank and pedal positions that match the width of a child’s hips. The result: A stronger, more natural pedal stroke.