Stomper Ace 24

The Stomper Ace 24 packs years of knowhow in a perfectly sized junior mountain bike: 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.

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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

We accept returns and exchanges on items purchased from GTBicycles.com for (30) thirty days from the date of purchase in accordance with our return policy below.

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.

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Frame

frame 24" GT LegitFit Design, Alloy w/ Replaceable Hanger
sizes available One Size
fork All Terra CH-565, 50mm, Coil
wheel size 24

Wheels

rims All Terra Double Wall, 28h
front hub Alloy Disc QR, 28H
rear hub Alloy Cassette, QR
front tire Kenda Small Block Eight 24 x 2.10"
rear tire Kenda Small Block Eight 24 x 2.10"
spokes Stainless Steel, 14g

Drivetrain

rear derailleur microSHIFT RD-M26L
shifters microSHIFT TS39-8, 8-speed
rear cogs Sunrace CSM55, 11-34, 8-speed
chain KMC Z7, 7-speed
crank Prowheel w/ Double Guard, 30T, 130mm
bottom bracket Cartridge Sealed
pedals GT BMX Flat Pedal, Resin

Cockpit

handlebar Alloy Riser Bar, 30mm Rise, 580mm Width
stem Alloy Ahead, 30mm
grips GT MTB
headset 1 1/8" Ahead
seatpost Alloy Micro Adjust
saddle GT MTB

Brakes

brakes Promax Mech Disc, 160/160mm Rotors
brake levers Alloy V-type
Please note that, based on component availability and other factors, specifications are subject to change without notice.

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"

Geometry

Sizes (mm) One Size
Seat tube length 255 300 350
Top tube horizontal 452 499 512
Top tube actual 422 495 500
Head tube angle 69.5 ° 67 ° 67 °
Seat tube angle 68 ° 71 ° 75 °
Standover 516 611 665
Head tube length 88 102 102
Wheelbase 839 1002 1041
Front center 474 585 615
Chainstay length 366 417 428
Bottom bracket drop 23 26 35
Bottom bracket height 243 291 308
Fork rake 40 40 40
Trail 57 91 102
Stack 411 512 555
Reach 286 336 350
Travel front 40 60 80
Travel rear N/A N/A N/A

What is included with the bike?
  • Owners Manual
  • Pedals are NOT included
  • Assembly tools are NOT included

How does the bike arrive?

Our simple assembly process makes it possible to use your skills to assemble your GT at home. GT bikes will arrive 80% assembled. To get out riding, you will need to first install handlebars, seatpost, front wheel, brake rotor (if applicable) and a set of pedals. Click here to learn more about how your bike will arrive. Also, please reference the owner’s manual, included with the bike, to ensure your bike is assembled properly.

Is this bike eligible for GT Connect?

No, this bike is not eligible for GT Connect. Bikes purchased over $1000 from GTBicycles.com, can be assembled for free, by a local shop. Click here to learn more about GT Connect.

Is touchup paint available?

Unfortunately, touchup paint is not available at this time as our paint codes are unique to our painter.

Are the wheels tubeless compatible?

No, the wheels are not compatible with tubeless.

GT Tech Book

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GT Owner's Manual

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