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GT
Grunge 12 in Single Speed Bike - Boys'

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Why We Like The Grunge 12 in Single Speed Bike

The Grunge 12 in Single Speed Bike is for kids who are just starting out on a bike and learning to pedal with confidence. With 12in wheels, an alloy frame, and an easy gear to start with, we think this bike is perfect for beginners. The Grunge is designed with improved geometry that allows kids to stop and stand easily, and the lower starting gear makes taking off more controlled when they're ready to get moving again. GT's LegitFit system ensures the Q-factor matches kids' hip widths for increased control, and the pedal positioning is moved slightly forward for a more natural pedal stroke.


Details

  • The confidence-inducing bike for kids who are just starting to ride
  • An alloy frame is specifically proportioned for kids to improve control
  • LegitFit system features improved ergonomics for youth statures
  • Narrower crank and pedal positions for a more natural pedal stroke
  • 12 x 2.25in tires for smooth rolling on sidewalks and in grassy parks
  • Q-factor matches kids' hip widths and keeps feet planted on pedals
  • Item #GTE1WU4
Frame Material
alloy
Fork
GT Hi-Ten steel
Crankset
forged one-piece type
Chainring Sizes
24t
Crank Arm Length
89mm
Bottom Bracket
steel
Chain
KMC HV410, 1/2 x 1/8in
Brakeset
coaster rear
Handlebar
steel riser bar
Handlebar Width
480mm
Grips
95mm closed end
Stem
2-bolt alloy top
Saddle
GT 1-piece
Hubs
steel, nutted axle
Tires
GT
Tire Size
12 x 2.25in
Pedals
Jr. BMX design
Includes
2 pedals, training wheels
Activity
road cycling
Manufacturer Warranty
2 years