Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2021 GT Stomper Ace 24"
Previous used estimate
$212 - $218
Actual value depends on condition, size, and local demand.
Value Guide market data · 2021 GT Stomper Ace 24"
12-month projected trend
8%
Direction and magnitude, not judgment
vs. category average
2%
Holds value better than category avg
Price over time - 2021 GT Stomper Ace 24"
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Stomper model years
Overview
About this bike
We've been making 24" dirt bikes longer than most bike companies, and the Stomper 24" packs years of knowhow in a perfectly sized junior mountain bike. It features a lightweight GT aluminum MTB frame comes with LegitFit geometry for improved handling, while the Ace spec level means microShift gears for durability, disc brakes for secure stopping, and GT's classic styling that sets it apart from the rest.
Specifications
- Subtype
- 24-inch
- Category
- Kids
- Component Fork
- All Terra CH-565, 50mm, Coil
- Component Rims
- All Terra Double Wall, 28h
- Component Size
- 24-inch
- Component Stem
- Alloy Ahead, 30mm
- Product Family
- Stomper
- Component Chain
- KMC Z7, 7-speed
- Component Color
- Deep Teal
- Component Frame
- 24" GT LegitFit Design, Alloy w/Replaceable Hanger
- Component Tires
- Kenda Small Block Eight 24 x 2.10"
- Component Brakes
- Promax Mech Disc, 160/160mm Rotors
- Component Pedals
- GT BMX Flat Pedal, Resin
- Component Saddle
- GT MTB
- Component Headset
- 1 1/8" Ahead
- Component Crankset
- Prowheel w/Double Guard, 30T, 130mm
- Component Seatpost
- Alloy Micro Adjust
- Component Shifters
- microSHIFT TS39-8, 8-speed
- Component Handlebars
- Alloy Riser Bar, 30mm Rise, 580mm Width
- Component Tape Grips
- GT MTB
- Component Bottom Bracket
- Cartridge Sealed
- Component Rear Derailleur
- microSHIFT RD-M26L
- Component Cassette Freewheel
- Sunrace CSM55, 11-34, 8-speed
- Rims
- All Terra Double Wall, 28h
- Tires
- Kenda Small Block Eight 24 x 2.10"
- Crankset
- Prowheel w/Double Guard, 30T, 130mm
- Pedals
- GT BMX Flat Pedal, Resin
- Bottom Bracket
- Cartridge Sealed
- Chain
- KMC Z7, 7-speed
- Seatpost
- Alloy Micro Adjust
- Saddle
- GT MTB
- Headset
- 1 1/8" Ahead
- Rear Derailleur
- microSHIFT RD-M26L
- Stem
- Alloy Ahead, 30mm
- Brakes
- Promax Mech Disc, 160/160mm Rotors
- Fork
- All Terra CH-565, 50mm, Coil
- Frame
- 24" GT LegitFit Design, Alloy w/Replaceable Hanger
- Handlebars
- Alloy Riser Bar, 30mm Rise, 580mm Width
- Shifters
- microSHIFT TS39-8, 8-speed
- Tape/Grips
- GT MTB
- Color
- Deep Teal
- Size
- 24-inch
- Cassette/Freewheel
- Sunrace CSM55, 11-34, 8-speed
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.