Features
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.
Additional Information
| Sizes | One Size |
|---|---|
| Model Code | G55300M |
| Frame | 12″ GT LegitFit Design, Alloy |
| Fork | GT Hi-Ten Steel, 1″ Threaded Steerer |
| Chain | KMC HV410 1/2″ x 1/8″ |
| Crank | Forged One-Piece Type, 89mm, Steel, 24T |
| Bottom Bracket | Steel, Ball Type |
| Pedals | Jr. BMX Design, Resin |
| Rims | Alloy, 16h |
| Tires | GT 12 x 2.25″ |
| Front Hub | Steel, Nutted Axle |
| Rear Hub | Steel, Nutted Axle, Coaster Brake |
| Spokes | Stainless Steel, 14g |
| Brakes | Coaster Rear |
| Front Brake | Coaster Rear |
| Rear Brake | Coaster Rear |
| Handlebar | Steel Riser Bar, 130mm Rise, 480mm Width |
| Stem | 2-Bolt Alloy Top, Steel Quill |
| Grips | 95mm Closed End |
| Headset | 1″ Threaded, Steel |
| Saddle | GT 1-piece |
| Spec Extras | Training Wheels, Fender, Bar, Stem Pad |













