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 tyres, 2pc bars and even a numberplate FTW.
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
Fit Guide
- 12" Wheels
-
2'10" - 3'4"
- 16" Wheels
-
3'4" - 4'0"
- 20" Wheels
-
4'0" - 4'5"
- 24" wheels
-
4'3" - 4'8"
- 26" wheels
-
4'3" - 4'8"
