2018 GT Speed Series Junior
2018 GT Speed Series Junior is a BMX race bike built around a 6061-T6 aluminum frame with butted Speed Metal tubes, reverse dropouts, and a 36T CNC chainring.
Description
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
Technical specification
Geometry
- Sizes
- 18.5" Top Tube
Frame & Fork
- 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
Drivetrain
- Crankset
- 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
- Chain
- KMC Z610
- Pedals
- GT Mini Size Platform, PP Material
Wheels
- Rims
- Speed Series Aero Double Wall, 28 Hole (F/R)
- Tires
- (F) Tioga Power Block 20x1-3/8" (R) 20x1-1/8"
- Spokes
- 14G
- 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
Cockpit & contact
- 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
- Seatpost clamp
- PROMAX, Aluminum, 25.4mm Single Bolt
Brakes
- Brakes
- 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










