GT's Mach One Pro is a perfect first bike for kids 10-12 years-old wanting to start BMX racing. Think of the Mach One as a stepping stone to becoming the fastest kid on the block

• Extras:
  Pad set
• Frame:
  Single down tube design, V-brake on seat stays, 1-1/8" head tube
• Fork:
  GT BMX design, 1-1/8" Cr-Mo steer, 1-1/4" O.D. blades
• Crankset / Chainwheel:
  GT forged three-piece type, 175mm/ '06 design GT steel, 42T.
• Bottom Bracket:
  Steel, Ball type
• Pedals:
  BMX platform design, aluminum body, fixed pins
• Chain:
  KMC Z410
• Rims:
  Aluminum, 36 hole, 31mm width
• Front Hub:
  GT Mohawk, aluminum shell, 36 hole
• Rear Hub:
  GT Mohawk, aluminum shell, 36 hole
• Cog set:
  16T. Freewheel
• Spokes:
  14G
• Nipples:
  Brass
• Tires:
  GT Wing design, 2.125" front, 1.75" rear
• Front Brake:
  Alloy side-pull caliper
• Rear Brake:
  Tektro alloy V-type
• Brake Levers:
  Tektro, 319, aluminum
• Handlebar:
  GT BMX design, Hi-Ten, 7" rise
• Stem:
  GT branded, aluminum
• Headset:
  VP-A74F HD steel, extra deep cup engagement, 1-1/8" threadless
• Grips:
  GT Wing waffle design, kraton material
• Saddle:
  Mini street design, 7mm rails
• Seat Post:
  Aluminum, 25.4 x 250mmL.
• Seat Clamp:
  Alloy, GT Wing logo

• GT BMX Frame in full Hi-Ten steel. 19.5" top tube
• Cro-Mo fork