Speed Series Junior
CAD
Inspired by the Speed Series Pro models and featuring reverse rear dropouts for quick gear changes. Each model size is purpose designed and spec'd to be lightweight, offering maximum performance to meet each racers needs. Ideal for riders 4'4"-4'10".
- Speed Alloy Frame with Reverse Dropouts
- Speed Series Aero Double Wall rims
- Kenda Kompact Pro Race tires
Quick Gear Changes
Featuring reverse rear dropouts for quick gear changes
Speed Series Junior
The Speed Series Junior is ideal for riders 4'4"-4'10
Frame
frame
GT Speed Series MK7 Junior Race, 6061-T6 AL, Alloy Formed and Butted Speed Metal Tubes, Reverse Dropouts, Euro BB, 1" Integrated H/T
sizes available
JUNIOR
fork
GT BMX Junior Race, 6061 AL 1" Steerer, 312mm A/C, 3/8" Dropouts
wheel size
20
Wheels
rims
Alloy Double Wall, 28h
front hub
GT Speed Series, Alloy Sealed, 3/8" Female Allen Bolt
rear hub
GT Speed Series, Alloy Sealed 3/8" Female Allen Bolt Cassette
front tire
Kenda Kompact Pro Race 1-3/8"
rear tire
Kenda Kompact Pro Race 1-1/8"
spokes
Stainless Steel, 14g
Drivetrain
rear cogs
16T Cog
chain
KMC Z1 Narrow, 3/32"
crank
GT Forged Alloy 2pc., 155mm Arms, 24mm Hollow/ Alloy Spindle, 104 BCD 40T AL CNC Chain Ring, Alloy Chain Ring Bolts
bottom bracket
EB24 Sealed Bearings
chain device
6061 AL CNC Chain Tensioners
pedals
GT Mini Platform
Cockpit
handlebar
GT Speed Alloy 4"H x 24"W, 8° Back, 2° Up, Taper Cross Bar
stem
GT Top Load, Cold Forged 1", 40mm
grips
GT Statement
headset
1" Sealed Integrated (38.2 x 45)
seatpost
Integrated
saddle
BOX Echelon
Brakes
brakes
Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type
brake levers
Alloy V-type
Please note that, based on component availability and other factors, specifications are subject to change without notice.
Fit Guide
- Micro
-
2'0" - 4'0"
- Mini
-
4'0" - 4'4"
- Junior
-
4'3" - 4'7"
- Expert
-
4'6" - 5'5"
- Expert XL
-
5'2" - 5'6"
- Pro
-
5'4" - 5'8"
- Pro XL
-
5'7" - 6'0"
- Pro XXL
-
6'0" - 6'5"
- Pro XXXL
-
6'0" - 6'5"
- Pro XL 24"
-
5'6" - 6'5"
Geometry
| Sizes (in) | Junior |
|---|---|
| Top tube actual | 18.5 |
| Head tube angle | 73 ° |
| Seat tube angle | 70 ° |
| Standover | 6.25 |
| Head tube length | 4 |
| Wheelbase | 33.8 |
| Front center | 20.66 |
| Chainstay length | 13.19 |
| Bottom bracket height | 11 |
| Seat post diameter | 22.2 |
| Axel to crown | 12 |
| Dropouts | 10mm |
| Brake mounts | V-Brakes |
| Rider area | 20.3 |
| Bottom bracket type | BSA |
| Fork rake | 1.3 |
| Axel to crown | 12 |
BMX Race Bikes
For more than five decades GT has led the way out of the gate and into the first straight leaving a trail of podiums and legends in its wake. Our race roots coupled with feedback from elite and novice riders has allowed us to develop and build bikes for riders of all ages and skill levels dreaming of the top step.
