GT Siren 16 Girls Bike Magenta (2019)

Now $249.00 RRP $289.00 SAVE $40.00
In stock

Available on orders over $40. Collection in 1-7 days. WA orders 1-14 days. More info »

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Up to 12 months interest free


The GT Siren is the perfect bike to learn the two-wheel way, with removable training wheels ready to be taken off so that your little one can ride freely. This bike is made to be safe and reliable as your kids learn how to ride. Kids can be rough, so the Grunge has been made to be durable with a Hi-Ten Steel frame with LegitFit Design for optimal comfort and fit. You'll get a range of reliable components, with alloy wheels, Coaster brake, Jr. BMX Design Pedals and steel riser bar. This is an excellent bike for those starting out with two wheels and is bound to be endless hours of fun.


  • Alloy Rims
  • Coaster Brake
  • Jr. BMX Design Pedals
  • Steel Riser Bar with Closed End Grips


See More Information tab above.

More Information
Bottom Bracket Steel, Ball type
Cassette16T Coaster
ChainKMC HV410 1/2" x 1/8"
CranksetForged One-Piece Type, 89mm, Steel, 28T
Popular FiltersGirl's
ForkGT Hi-Ten Steel, 1" Threaded Steerer
Frame16" GT LegitFit Design, Hi-Ten Steel
Grips95mm closed end
HandlebarSteel Riser bar, 130mm rise, 500mm
Headset Steel, 1"
HubsSteel, 20 Hole, 3/8" Axle front, Steel, 20 Hole, Coaster rear
PedalsJr. BMX design, resin
RimsAlloy, 20h
SaddleGT 1-piece
Stem2-Bolt Alloy Top, Steel Quill, 30
SpokesStainless Steel, 14g
TyresGT 12 x 2.25"
Wheel Size16"
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About GT Bicycles

GT'S story is simple: speed, speed and even more speed. From GT’s namesake Gary Turner designing one of the first BMX race bikes in 1972 to the modern carbon fiber creations that redefine fast-as-hell, GT has built a long legacy of racing, winning, yet never taking things too seriously.

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Club 99 Membership

Join Club 99 for just $5 when you make a purchase in store, or use the button below to buy membership online. To reward you for being a club member, your Club 99 membership card will give you these great benefits:

  • Discounted Club 99 pricing, in store and online
  • A $25 gift card when you spend over $500 in a year *
  • Access to free bike maintenance classes
  • Exclusive priority access to new offers
  • Access to exclusive guarantees

Please note that when you buy Club 99 membership online, it may take up to 20 minutes to receive your welcome email.

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Kids Bike Sizing Chart

Rider's Height (cm)
12" Wheel
16" Wheel
20" Wheel
24" Wheel
26" Wheel

This is an accurate estimate, and every new bike comes with a free professional bike fit when you click & collect in store, plus all bikes have a 30 day Perfect Ride Guarantee.