GT Aggressor 20" 2012 Boy's Black

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Highlighted Features

  • Lightweight and durable 6061 aluminum 20" mountain bike frame with a low standover height
  • Suntour suspension fork has 50mm of travel to help soak up bumps
  • Shimano Tourney rear derailleur and 7-speed twist shifter make gear changes easy
  • Powerful linear-pull brakes let young riders control their speed easily and effectively
  • Alloy double-wall wheels with stainless steel spokes are trail-tough and perfect for pounding the pavement, too 
  • Perfect for ages 8 to 12

If your little shredder wants to ride like the big boys, you're going to have to set him up with a smokin' little ride that looks just like theirs. The GT Aggressor 20" is modeled after GT's full size, trail ready Aggressor mountain bike and features all the same attitude but at a scale more suited for a younger rider. The lightweight aluminum frame and low standover height make this the perfect ride for your little guy to grow with. The front suspension offers 50mm of travel and the 7-speed drivetrain gives him plenty of gears to tackle any terrain. With a twist shifter, linear pull brakes and trail tested all terrain tires, your mini mountain biker will be ready to shred with the big boys in no time. 


  • Frame:6061 aluminum frame, Triple Triangle construction, CNC'd bottom bracket, dropouts, and 1 1/8" head tube
  • Fork:SR Suntour M3010 with 50mm travel
  • Bottom Bracket:Sealed cartridge
  • Brakes:Tektro Linear-pull
  • Cassette:Shimano Hyperglide freewheel, 14-34T, 7-Speed
  • Chain:KMC Z50, 7-speed
  • Crankset:Prowheel Youth 36T
  • Front Derailleur:NA
  • Rear Derailleur:Shimano Tourney TX35
  • Shifters:Shimano RS-35 Twist (Right Side Only)
  • Brake Levers:Tektro 3-Finger
  • Grips/Tape:GT MTB
  • Handlebar:MTB riser bar
  • Headset:Threadless steel, 1 1/8"
  • Pedals:GT Slimline Flat
  • Saddle:GT Youth MTB
  • Seatpost:GT alloy, microadjust
  • Stem:Alloy Ahead
  • Tires:GT All Terrain, 1.95"
  • Wheelset:Rims: Alloy double-wall, 3-hole; 
  • Hubs: Alloy 32-hole; 
  • Spokes: Stainless 14G