GT Stomper Ace 24w 2023 - Kids 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: lightweight GT aluminium MTB frame comes with LegitFit geometry for improved handling, while the Ace spec level means Shimano gears for durability, disc brakes for secure stopping, and GT’s classic styling that sets it apart from the rest.
Key Features:
- 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.
Occasionally, without notice, manufacturers change product design and/or specifications.
Frame | 24" GT LegitFit Design, Alloy w/ Replaceable Hanger |
Fork | All Terra CH-565, 50mm, Coil |
Headset | 1 1/8" Ahead |
Stem | Alloy Ahead, 30mm |
Bars | Alloy Riser Bar, 30mm Rise, 580mm Width |
Front Brake | Promax Mech Disc, 160mm Rotors |
Rear Brake | Promax Mech Disc, 160mm Rotors |
Brake Lever | Alloy V-type |
Rear Mech | Shimano Altus, RD-M310 |
Shifters | Shimano SL-M310, Rapid Fire |
Speed | 8 |
Rims | All Terra Double Wall, 28h |
Front Hub | Alloy Disc QR, 28H |
Rear Hub | Alloy Cassette, QR |
Spokes | Stainless Steel, 14g |
Front Tyre | Kenda Small Block Eight 24 x 2.10" |
Rear Tyre | Kenda Small Block Eight 24 x 2.10" |
Seat Post | Alloy Micro Adjust |
Saddle | GT MTB |
Chainset | Prowheel w/ Double Guard, 30T, 130mm |
Bottom Bracket | Cartridge Sealed |
Chain | KMC Z7, 7-speed |
Cassette | Sunrace CSM55, 11-34, 8-speed |
Pedals | GT BMX Flat Pedal, Resin |
Junior Bike Size Chart
Approx. Age |
Height (cm) |
Type / Wheel Size |
1 - 4 |
77 – 105cm |
Balance |
2 - 4 |
85 – 105cm |
12" |
4 - 6 |
105 – 117cm |
14" |
5 - 7 |
112 – 125cm |
16” |
6 - 8 |
117 – 132cm |
18” |
7 - 10 |
125 – 136cm |
20” |
10+ |
136+cm |
24” |
Read our kids bike size guide for more information on kids bike sizing.
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