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2021 GT

Stomper Ace 20"

A 20″ aluminum frame general youth bike with modest components and rim brakes.
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Manufacturer Price

£350($469)
FrameAluminum
SuspensionRigid
ForkSteel
Wheels20″ Aluminum
Drivetrain1 × 7
GroupsetmicroSHIFT
BrakesRim
Where to Buy
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

13 mph

Stomper Ace 20"

18 mph

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Highest gear

(descending)

Specs
Build
Frame

20" GT LegitFit Design, Alloy w/ Replaceable Hanger

Fork

GT Hi-Ten Steel, 1-1/8" Threadless Steerer

Bottom Bracket

Cartridge Sealed

Headset

1 1/8" Ahead

Stem

Alloy Ahead, 30mm

Handlebar

Alloy Riser Bar, 30mm Rise, 580mm Width

Saddle

GT MTB

Seatpost

Alloy Micro Adjust

TypeRigid

Pedals

GT BMX Flat Pedal, Resin

Grips

GT MTB

Groupset
Rear Derailleur

Microshift RD M-21L

Crank

Prowheel w/ Double Guard, 30T, 130mm

Shifters

Microshift MS29-7R

Cassette

Shimano TZ500, 14-28, 7-speed FW

Chain

KMC Z7, 7-speed

Brakes

GT V-Brake, Front: GT V-Brake, Rear: GT V-Brake

TypeRim

Brake Levers

Tektro 3 Finger

Wheels
Rims

All Terra Double Wall, 28h

Spokes

Stainless Steel, 14g

Front Hub

Alloy, QR

Rear Hub

Alloy Freewheel, QR

Tires

Kenda Small Block Eight, 20 x 2.1"

Rider Notes
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First added March 24

Last updated September 16

Not listed for 986 days