GT Bicycles Siren 20" Kids Single Speed Bike - Gloss Pitch Green

  • SALE
  • Regular price $389.95

Please contact us if you are interested in this product.

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 tyres, 2pc bars and even a numberplate FTW.

  • 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.

SIZES    One Size


FRAME    20" GT LegitFit Design, Alloy

FORK    GT Hi-Ten Steel, 1" Threaded Steerer

CHAIN    KMC S1, 1/2x1/8"

CRANK    Forged One-Piece Type, 127mm, 32T

BOTTOM BRACKET    Steel, Ball Type

PEDALS    Jr. BMX Design, Resin

COG SET    Null

RIMS    Alloy, 28h

TIRES    GT 20 x 1.95"

FRONT HUB    Steel, nutted axle

REAR HUB    Steel, Nutted Axle, Coaster Brake

SPOKES    Stainless Steel, 14g

BRAKES    Coaster Rear, Rear Alloy VBrake

FRONT BRAKE    Coaster Rear, Rear Alloy VBrake

REAR BRAKE    Coaster Rear, Rear Alloy VBrake

BRAKE LEVERS    Alloy V-type

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

SPEC EXTRAS    Fender, Bar, Stem Pad