Entry to BMX Racing shouldnt cost an arm and a leg. The Mach One Junior is made to fit riders 4’4″-4’10”.

FEATURES

• GT Top Load Stem
• Hi-Ten Steel Fork
• Influence by Speed alloy frame with reverse dropouts

SPECIFICATIONS

• SIZES: JUNIOR
• FRAME: GT Mach One Race MK2, 6061 Alloy, Euro BB, Reverse Dropouts, V-Brakes, 1-1/8″ Integrated H/T
• FORK: GT BMX Race, Hi-Ten Steel 1 1/8″ Steerer, 3/8″ Dropouts
• CHAIN: KMC S1
• CRANK: GT Alloy Forged 3pc, 152mm, Square Taper, 38T
• BOTTOM BRACKET: Threaded Square Type
• PEDALS: GT Mini Size Platform, PP Material
• COG SET: 16T Freewheel
• RIMS: Alloy Double Wall, 28h
• TIRES: Kenda Race, 20 x 1-3/8″
• FRONT HUB: Steel Body, 28h, 3/8″ Axle
• REAR HUB: Steel Flip Flop Thread-on Body, Freewheel, 28h, 3/8″ Axle
• SPOKES: Stainless Steel, 14g
• BRAKES: Alloy V-type
• FRONT BRAKE: Alloy V-type
• REAR BRAKE: Alloy V-type
• BRAKE LEVERS: Alloy V-type
• HANDLEBAR: GT Race, Steel, 4″H x 24″w/ 8 Back, 2 Up, 19mm O.D. Cross Bar
• STEM: GT Top Load, 1″, 40mm
• GRIPS: GT Statement
• HEADSET: 1 1/8″ Integrated Design, 45X45 Degree Sealed Bearings
• SADDLE: GT Uni Mini Padded
• SEAT POST: 22.2 Integrated

GEOMETRY

• A. SEAT TUBE LENGTH: 8.25
• B. TOP TUBE ACTUAL: 18.75
• C. HEAD TUBE ANGLE: 73
• D. SEAT TUBE ANGLE: 70
• E. HEAD TUBE LENGTH: 4
• F. WHEELBASE: 34.37
• G. FRONT CENTER: 21.02
• H. CHAIN STAY LENGTH: 13.18
• I. BB DROP: -0.75
• J. BB HEIGHT: 10.75
• K. FORK RAKE: 1.3
• L. SEAT POST DIAMETER: 22.2mm
• M. AXLE TO CROWN: 12