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2022 GT

Mach One Expert

A 20″ aluminum frame bmx bike with rim brakes.
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Manufacturer Price

$450
FrameAluminum
SuspensionRigid
ForkSteel
Wheels20″ Aluminum
DrivetrainSingle-speed
BrakesRim
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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)

14 mph

Mach One Expert

Highest gear

(descending)

Sizing
EXPERT

3'11" +

🐐 Estimated

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

GT Mach One Race MK2, 6061 Alloy, Euro BB, Reverse Dropouts, V-Brakes, 1-1/8" Integrated H/T

BB StandardBSA, Threaded

Fork

GT BMX Race, Hi-Ten Steel 1 1/8" Steerer, Tapered Legs, 3/8" Dropouts

Bottom Bracket

Threaded Square Type

Headset

1 1/8" Integrated Design, 45X45 Degree Sealed Bearings

Stem

GT Top Load, 1", 40mm

Handlebar

GT Race, Steel, 6.5"H x 26"W, 8° Back, 4° Up, 19mm O.D. Cross Bar

Saddle

GT Uni Mini Padded

Seatpost

22.2 Integrated

TypeRigid

Pedals

GT Mini Size Platform, PP Material

Grips

GT Statement

Groupset
Crank

GT Alloy Forged 3pc, 165mm, Square Taper, 38T

Cassette

16T Freewheel

Chain

KMC S1

Brakes

Alloy V-type, Front: Alloy V-type, Rear: Alloy V-type

TypeRim

Brake Levers

Alloy V-type

Wheels
Rims

Alloy Double Wall, 28h

Spokes

Stainless Steel, 14g

Front Hub

Steel Body, 28h, 3/8" Axle

Rear Hub

Steel Flip Flop Thread-on Body, Freewheel, 28h, 3/8" Axle

Tires

Kenda Race, 20 x 1-3/8"

Rider Notes
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First added November 30

Last updated April 11

Not listed for 1,145 days