GT Siren

The LegitFit System is GT's design approach that adjusts the bike's geometry to better suit a child's body proportions. It moves the pedals forward and narrows the stance, which makes pedaling more efficient and helps kids maintain better balance while learning to ride.

The GT Siren is equipped with both. It features a rear coaster brake (pedal-backwards to stop) for intuitive braking, alongside a rear alloy V-brake operated by a hand lever to help your child transition to more advanced braking systems.

No, the frame is constructed from a lightweight alloy, which is significantly easier for children to maneuver, lift, and control compared to traditional steel frames. This weight reduction helps build confidence, especially when they are starting or stopping.

Yes, the bike comes equipped with all-terrain tires that provide reliable traction on a variety of surfaces. Whether your child is riding on pavement, gravel, or packed dirt, these tires offer the stability needed for versatile riding.

The one-piece crank is a durable, simple design common on kids' bikes. While it is very robust, it requires occasional checks to ensure the bottom bracket bearings are greased and the crank arm remains tight to prevent any play or clicking sounds.