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Description
Speed Series Junior BMX for track racing
The GT Junior 20" is a complete race BMX aimed at smaller riders with a height between 4'2" and 4'8" (130 - 145 cm)
Every bike from GT’s Speed Series are made for mid-high level riders and are designed solely to be ridden on the race track. All the Speed Series bikes feature a bunch of stiff and light parts, ensuring a fast and durable ride, that surely will help you to improve your personal track time
Technical features
- Butted race frame made from the highest grade 6061-T6 alloy, keeping weight down and stiffness up
- Junior-sized race fork made 100% from 6061 alloy with 10mm dropouts (3/8”)
- Junior-sized race handlebars made 100% from light and stiff alloy
- 2-piece crank forged from light alloy with 135 mm arms for enhanced pedalling
- Promax mini V-brake with cold-forged arms included
- Air-passing ‘Aero’ rims in a durable double-wall construction
- Kenda 'Kompact' tyres, with a directional tread pattern, suitable 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:
16lbs
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)
Chainstay length (Centre):
13.19'' (33.5cm)
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
