GT Siren 16 Girls Bike Gloss Purple (2021)

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Perfect Ride Guarantee

Perfect Ride Guarantee
If you don't love it, you can swap it, up to 30 days from purchase!* Learn more ยป

Free Bike Build

Free Bike Build
We'll build your bike for free when you click and collect at any 99 Bikes store.

First Free Service

First Free Tune-up
Every bike come with a complimentary free tune-up and safety check.

Please note, due to challenges in the product supply chain, bike specifications are subject to change without notice. Specifications listed below may not match exactly as shown in the photo.

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

Click & Collect

Apologies, please note that GT Bikes are not available for Click & Collect in ACT.

For more information on kids bikes and sizing see our Kids Bikes Buying Guide.

More Information
Season 2021
Click & Collect Yes
Wheel Size 16"
Frame Material Steel
Fork Material Steel
Cassette Type Single Speed
Chainset Type Single
Brake Type Coaster Brake
Bottom Bracket Steel, Ball Type
Brakes Front: Alloy Single Pivot Caliper, Rear: Coaster Rear
Brake Levers Alloy V-type
Chain KMC HV410 1/2" x 1/8"
Crankset Forged One-Piece Type, 89mm, Steel, 28T
Fork GT Hi-Ten Steel, 1" Threaded Steerer
Grips 95mm closed end
Handlebar Steel Riser Bar, 130mm Rise, 500mm Width
Hubs Steel, Nutted Axle, Coaster Brake
Pedals Jr. BMX Design, Resin
Rims Alloy, 20h
Saddle GT 1-piece
Seatpost Alloy
Spokes Stainless Steel, 14g
Tyres GT 16 x 1.95"

Kids Bike Sizing Chart

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

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