GT Siren 20

Even our kids’ bikes are built right from the ground up – perfectly proportioned lightweight alloy frame, easy-riding low-slung design, and handling that makes every ride a breeze. Durable 1pc cranks, all-terrain tires, 2pc bars and even a number plate.


Frame
Frame
20" GT LegitFit Design, Alloy
Sizes Available
O/S
Fork
GT Hi-Ten Steel, 1" Threaded Steerer
Wheel Size
20"
Wheels
Rims
Alloy, 28h
Front Hub
Steel, nutted axle
Rear Hub
Steel, Nutted Axle, Coaster Brake
Front Tire
GT 20 x 1.95"
Rear Tire
GT 20 x 1.95"
Drivetrain
Chain
KMC S1, 1/2x1/8"
Crank
Forged One-Piece Type, 127mm, 32T
Bottom Bracket
Steel, Ball Type
Pedals
Jr. BMX Design, Resin
Cockpit
Handlebar
Steel Riser Bar, 176mm Rise, 580mm Width
Stem
2-Bolt Alloy Top, Steel Quill
Grips
120mm Closed End
Headset
1" Threaded, Steel
Saddle
GT 1-piece
Brakes
Brakes
Coaster Rear, Rear Alloy VBrake
Brake Levers
Alloy V-type