Speed Series Junior
$350.00
- Speed Alloy Frame with Reverse Dropouts
- Speed Series Aero Double Wall rims
- Kenda Kompact Pro Race tires
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Description
Speed Series Junior
Inspired by the Speed Series Pro models, with reverse rear dropouts for rapid gear changes. Each model size is purposefully built and specified to be lightweight while providing maximum performance to match each racer’s requirements. Ideal for riders who stand 4’4″-4’10”.
Frame
frameGT Speed Series MK7 Junior Race, 6061-T6 AL, Alloy Formed and Butted Speed Metal Tubes, Reverse Dropouts, Euro BB, 1″ Integrated H/T
sizes availableJUNIOR
forkGT BMX Junior Race, 6061 AL 1″ Steerer, 312mm A/C, 3/8″ Dropouts
wheel size20
Wheels
rimsAlloy Double Wall, 28h
front hubGT Speed Series, Alloy Sealed, 3/8″ Female Allen Bolt
rear hubGT Speed Series, Alloy Sealed 3/8″ Female Allen Bolt Cassette
front tireKenda Kompact Pro Race 1-3/8″
rear tireKenda Kompact Pro Race 1-1/8″
spokesStainless Steel, 14g
Drivetrain
rear cogs: 16T Cog
chain: KMC Z1 Narrow, 3/32″
crank: GT Forged Alloy 2pc., 155mm Arms, 24mm Hollow/ Alloy Spindle, 104 BCD 40T AL CNC Chain Ring, Alloy Chain Ring Bolts
bottom bracket: EB24 Sealed Bearings
chain device: 6061 AL CNC Chain Tensioners
pedals: GT Mini Platform
Cockpit
handlebar: GT Speed Alloy 4″H x 24″W, 8° Back, 2° Up, Taper Cross Bar
stem: GT Top Load, Cold Forged 1″, 40mm
grips: GT Statement
headset: 1″ Sealed Integrated (38.2 x 45)
seatpost: Integrated
saddle: BOX Echelon
Brakes
brakes: Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type
brake levers: Alloy V-type
Geometry
| Sizes (in) | Junior |
|---|---|
| Top tube actual | 18.5 |
| Head tube angle | 73 ° |
| Seat tube angle | 70 ° |
| Standover | 6.25 |
| Head tube length | 4 |
| Wheelbase | 33.8 |
| Front center | 20.66 |
| Chainstay length | 13.19 |
| Bottom bracket height | 11 |
| Seat post diameter | 22.2 |
| Axel to crown | 12 |
| Dropouts | 10mm |
| Brake mounts | V-Brakes |
| Rider area | 20.3 |
| Bottom bracket type | BSA |
| Fork rake | 1.3 |
| Axel to crown | 12 |
Quick Comparison
| Speed Series Junior remove | Mach One Expert remove | Slammer Mercado remove | Team Conway remove | Performer 21 Dirtlip remove | Pro Performer 29 remove | |
|---|---|---|---|---|---|---|
| Name | Speed Series Junior remove | Mach One Expert remove | Slammer Mercado remove | Team Conway remove | Performer 21 Dirtlip remove | Pro Performer 29 remove |
| Image |  |  |  |  |  |  |
| SKU | ||||||
| Rating | ||||||
| Price | $350.00 | $355.00 | $575.00 | $310.00 | $555.00 | $410.00 |
| Stock | ||||||
| Weight | N/A | N/A | N/A | N/A | N/A | N/A |
| Dimensions | N/A | N/A | N/A | N/A | N/A | N/A |
| Additional information | ||||||
| Description |
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Size
Entry to BMX Racing shouldn’t cost an arm and a leg. The Mach One Expert is made to fit riders 4'8"-5'4".
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The Slammer is the ideal first bike. At home in the neighborhood or at the skatepark, a beginner rider can mix in with their buddies without incurring large costs.
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The Team line has a full chromoly frame, fork, and handlebar and is filled with GT aftermarket goodies for the advanced rider. Each model mirrors the listed pro's unique configuration, giving it the feel of a bespoke build without the custom price tag.
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The Performer is an excellent intermediate model with a blend of dependable specifications and price. Ideal for beginning, intermediate, and returning BMX riders wishing to improve their riding.
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