GT Stomper Ace 20" Kids Mountain Bike Deep Teal

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Please note, due to challenges in the product supply chain, bike specifications are subject to change without notice. Specifications listed below may not match exactly as shown in the photo.

GT have been making Kids Bikes much longer than most, so they understand a Junior Mountain Bike needs to be perfectly proportioned to ensure a fun and exciting experience to keep kids hooked. With the GT LegitFit system, frame geometry, crank and pedal position are all tailored specifically to youth statures, to improve ergonomics and for a more natural pedal stroke. The result is a bike with excellent stability, pedal efficiency, and confidence inspiring handling. The Ace 20 features a lightweight GT aluminium MTB frame and comes paired with a Hi-Ten Steel rigid front fork, a modern kids bike combo which ensures the Bike is as lightweight as possible as well as maximising pedal power, making the bike much easier to ride, as well as faster! The Shimano Tourney 1x7 speed drivetrain provides the performance and reliability needed from a proper MTB. While the twist shifter and short reach brake levers mean little hands are always in control, so they can focus on simply having fun.
Brakes: GT V-Brake
Chain: KMC Z7, 7-speed
Crankset: Prowheel w/ Double Guard, 30T, 130mm
Derailleur rear: Shimano Tourney
Fork: GT Hi-Ten Steel, 1-1/8” Threadless Steerer
Frame: 20” GT LegitFit Design, alloy w/ replaceable hanger
Freewheel: Shimano TZ500, 14-28, 7-speed FW
Grip: GT MTB
Handlebar: Alloy Riser Bar, 30mm Rise, 580mm Width
Handlebar stem: Alloy Ahead, 30mm
Headset: 1 1/8” Ahead
Hubs: FRONT: Alloy, QR / REAR: Alloy, Freewheel QR
Rim: All Terra Double Wall, 28h
Saddle: GT MTB
Seat post: Alloy Micro Adjust
Shifters: Shimano Revo Twist Shifter, SL-RS36, 7-speed
Spokes: Stainless Steel, 14g
Wheel size: 20"

Kids Bike Sizing Chart

99 Bikes proudly stocks GT Bikes. From their Southern California beginnings in 1972 to today, they continue to remain true to their BMX and mountain bike heritage. GT mixes performance with serious fun to deliver good times everywhere Bikes are ridden. Because after all, fun is serious business, and you can’t have Good Times without ‘GT’!

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