available colors yellow  

(Not all colors available in all countries)

Speed Series Junior

Get your head in the game and your mind on the track with the GT Speed Series BMX bikes and frames. The lightest aluminum race frame on the market features a race-ready geometry and quick-change dropouts so you are prepared for every condition the day throws your way

Sizes: 18.5" Top Tube
Frame: GT Speed Series MK7 Junior Race Design, 6061-T6 AL, Alloy Formed and Butted Speed Metal Tubes, Reverse Dropouts, Euro BB, 1" Integrated H/T
Fork: GT BMX Junior Race, 6061 AL 1" Steerer, 25.4x2.2mm Blades, 315mm A/C, 3/8" Dropouts
Chain: KMC Z610
Crank: GT Forged Alloy 2-Piece, 135mm Arms, 24mm Hallow Alloy Spindle, 36T AL CNC Chain Ring, AL Chain Ring Bolts
Bottom Bracket: EB24 Sealed Bearings
Pedals: GT Mini Size Platform, PP Material
Rims: Speed Series Aero Double Wall, 28 Hole (F/R)
Tires: (F) Tioga Power Block 20x1-3/8" (R) 20x1-1/8"
Hubs: Front: GT Mohawk, Alloy CNC Body, 28H, Sealed Bearings, 3/8" Female Allen Bolts w/ AL Washers Rear: GT Mohawk Cassette, Alloy CNC body, 28H, 4 Sealed Bearings, 4 pawl Cassette, 3/8" Female Allen Bolts w/ AL Washers
Spokes: 14G
Brake: Rear: Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type
Brake Levers: Promax BL-367 mini V-Type AL 2 Finger Lever w/ Reach Adjust
Handlebar: GT Speed Alloy 4"H x 24"W, 8? Back, 2? Up, Taper Cross Bar
Stem: GT Top Load, Cold Forged 1", 40mm Length
Grips: GT Statement
Headset: 1" Integrated Design, 36X45 Degree Sealed Bearings
Saddle: BOX Echelon
Seat Post: AL integrated w/ Saddle, 22.2 x 135mm
Seat Clamp: PROMAX, Aluminum, 25.4mm Single Bolt
Extras: GT 6061 AL CNC Chain Tensioners

*All prices and specifications subject to change without notice.
Chassis Tune
  • Easy

    Get on it. Ride it. Don’t think twice about it.

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  • Stiff

    Drop the hammer without dropping power. Less flex. Less waste.

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  • Strong

    Ride on, over or through anything you want. You may not survive, but your bike will.

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  • Light

    So you can go faster and jump higher. It’s not rocket science.

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Speed Series Junior Geometry

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