Description
Speed Series Junior BMX for Track Racing
The GT Junior 20" is a complete race BMX designed for smaller riders with a height range of 4'2" to 4'8" (130 - 145 cm)
All of GT’s Speed Series bikes are crafted for mid-to-high level riders, specifically for racing on tracks. Featuring an array of rigid and lightweight components, the Speed Series guarantees a swift and sturdy ride that will undoubtedly aid in enhancing your track timing.
Technical Features
- Butted race frame made from superior quality 6061-T6 alloy, which maintains lightweight structure and increases stiffness
- Race forks designed for juniors, constructed entirely from 6061 alloy with 10mm dropouts (3/8”)
- Race handlebars crafted for juniors, made entirely of lightweight and stiff alloy
- A two-piece crank forged from lightweight alloy with 135 mm arms for improved pedalling
- Includes Promax mini V-brake with cold-forged arms
- Aerodynamic rims that allow air to pass through, built with a robust double-wall design
- Kenda ‘Kompact’ tyres, featuring directional tread, perfect for both hard-packed tracks and loose topsoil 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