The Grunge 12″ is the bike where your little one learns to pedal. With 12″ wheels and a very easy gear to pedal with, your little pedaller will be having a blast on this snazzy looking bike.

  • Improved Geometry bikes with the LegitFit system feature geometry adjustments to improve ergonomics for youth statures. The result: Increased stability, comfort and confidence for a wider range of riders.
  • Easier Pedaling bikes with the LegitFit system have their pedal positions moved slightly forward. The result: Makes it easier to pedal.
  • Better Positioning bikes with the LegitFit system have narrower crank and pedal positions that match the width of a child’s hips. The result: A stronger, more natural pedal stroke.
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Frame 12" GT LegitFit Design, Alloy
Fork GT Hi-Ten Steel, 1" Threaded Steerer
Front Hub Steel, Nutted Axle
Rear Hub Steel, Nutted Axle, Coaster Brake
Rims Alloy, 16h
Tires GT 12 x 2.25"
Pedals Jr. BMX Design, Resin
Handlebar Steel Riser Bar, 130mm Rise, 480mm Width
Stem 2-Bolt Alloy Top, Steel Quill
Headset 1" Threaded, Steel
Grips 95mm Closed End
Saddle GT 1-piece
Extras Training Wheels, Fender, Bar, Stem Pad


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