Description
Speed Series Junior BMX for track competition
The GT Junior 20" is a complete race BMX designed for younger riders measuring between 4'2" and 4'8" (130 - 145 cm)
Each bike in GT's Speed Series is crafted for mid to high-level cyclists and tailored exclusively for race track use. All bicycles in the Speed Series are equipped with an array of stiff and lightweight components, ensuring a quick and robust riding experience, which will undoubtedly assist in enhancing your personal track timing
Technical specifications
- Butted race frame constructed with top-quality 6061-T6 alloy, optimising weight reduction while enhancing stiffness
- Junior-sized race fork composed entirely of 6061 alloy with 10mm dropouts (3/8”)
- Junior-sized race handlebars made entirely from a lightweight and stiff alloy
- 2-piece crank arm made from light alloy with 135 mm arms for improved pedalling performance
- Promax mini V-brake with cold-forged arms provided
- Air-passing ‘Aero’ rims with a sturdy double-wall structure
- Kenda 'Kompact' tyres, featuring a directional tread pattern, ideal for firm tracks as well as loose soil surfaces
Specifications
Wheel diameter:
20"
Frame name:
Junior
Frame Top Tube:
18.5"
Bar height:
4"
Fork material:
Aluminium
Weight:
15lbs
Frame material:
Aluminium, 6061, T6
Seat clamp:
Non-integrated, 22.2mm
Seat:
Combo
Seatpost Length:
135mm
Tyre width:
1.375"
Bar width:
24"
Upsweep:
2°
Backsweep:
8°
Stem type/Length:
40mm, Top load
Headset type:
Integrated 1 1/8"
Headtube angle:
73°
BMX Brake Included:
V-brake (Rear)
Gear ratio:
36/14
Crank Length/Type:
135mm, Two-piece
Pedal axle diameter:
9/16"
Driver side:
Right
Crank material:
Aluminium
Bottom Bracket:
Sealed
Crank Axle Diameter:
24mm
Pedal material:
Nylon
Axle diameter:
10mm
Number of spokes:
28
Chain type:
Single speed
Assembly:
Partly assembled