GT 2018 Siren 16″ White


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Legit Fit System

Better Bike Design. Better Experience.

Learning to ride a bike is memorable, but it isn’t always easy. Kids have to focus on balance, pedaling, and speed… all while trying not to tumble. Up until now kids’ bikes have basically been grown up bikes miniaturized for smaller bodies. Designing bikes this way means proper body positioning and pedaling mechanics are compromised.

Not anymore.

GT has developed a new line of kids’ bikes that utilize its Legit Fit system and are designed specifically for those growing shredders. The Legit Fit system enables GT to build kids’ bikes that have narrower cranks, proper gearing and improved body positioning. All with the benefits of optimizing pedaling, balance, and speed right from the start. Even better is that it’s a system that works for kids of all ages…no more needing to “grow into” a bike.


+     GT Legit Fit System: Better Positioning, Faster Starting and Easier Pedaling
+     GT Designed Alloy Frame
+     Rear Coaster Brake
Frame: 16″ GT Legit Fit Design, Alloy
Fork: GT Hi-Ten Steel, 1″ Threaded Steerer
Chain: 1/2″ x 1/8″
Crank: Forged One-Piece Type, 89mm, Steel, 28T
Crank Option 1: Forged One-Piece Type, 89mm, Steel, 28T
Bottom Bracket: Steel, Ball type
Pedals: Jr. BMX design, resin
Cog Set: 16T Coaster
Rims: Alloy, 20 hole
Tires: 16 x 1.95″
Hubs: Steel, 20 Hole (F) 3/8″ Axle, (R) Coaster
Brake: (R) Coaster
Handlebar: Steel 500mm width x 130mm rise
Stem: 2-Bolt Alloy Top, Steel Quill, 30mm
Grips: 92mm closed end
Headset: Steel, 1″
Saddle: GT 1-piece
Seat Post: Alloy
Seat Clamp: Single Bolt
Extras: Training wheels

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