Grunge 12

$220.00

With 12” wheels, a lightweight alloy design, LegitFit handling on a low-slung frame, this GT is ready for pedal-power. It’s super-easy to ride with relaxed gearing, and the training wheels are removable for when your young ripper is ready for the big day.

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Shipping Policy

Free shipping on all orders for bikes, apparel, parts & accessories for any order in the United States. 

*Please allow for 5-7 days of transit time as all orders are shipped via ground shipping.

*If an order is placed on Friday, please allow 2-3 days for processing. 

Please reach out to sales@gtbicycles.com if you have any questions.

Return Policy

Returns are accepted within 30 days of delivery.

Details

  • The bike or part must be in its original packaging to receive a 100% refund.
  •  If product is unused but protective packaging has been removed or has major damage, we will refund 75% of the order.
  • We do not accept returns on apparel.
  • Please allow for 7-10 days to process the return and issue refund.

*Protective packaging includes: foam, cardboard, zip ties, plastic axle covers, warning decals and reflectors.

Please reach out to sales@gtbicycles.com to start a return.

This bike will come partially assembled. Please see these instructions and build video on how to assemble the bike.

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Wheels

front tire GT 12 x 2.25"
rear tire GT 12 x 2.25"

Drivetrain

rear cogs 16T Coaster
chain KMC HV410 1/2" x 1/8"
pedals Jr. BMX Design, Resin

Cockpit

headset 1" Threaded, Steel
seatpost Alloy
saddle GT 1-piece

Fit Guide

12" Wheels
2'10" - 3'4"
16" Wheels
3'4" - 4'0"
20" Wheels
4'0" - 4'5"
24" wheels
4'3" - 4'8"
26" wheels
4'3" - 4'8"

GT Tech Book

EN

GT Owner's Manual

EN FR DE IT DU

Sidewalk Bikes

Kids have their own riding style, and it’s one that changes over time. Each model in our balance bike range has the same quality and durability you’ve come to expect with GT’s full-size rides. And by utilizing GT’s Legit Fit system across the range, these bikes are designed specifically for those growing shredders.

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Youth BMX

Friend Ship

$160.00 $200.00
Yellow
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Performer Balance 12

$125.00