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2021 GT

Mach One Pro 24

A 24″ aluminum frame bmx bike with rim brakes.
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Manufacturer Price

$410
FrameAluminum
SuspensionRigid
ForkSteel
Wheels24″ 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)

17 mph

Mach One Pro 24

Highest gear

(descending)

Sizing
PRO

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

Fork

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

Bottom Bracket

Euro Sealed Bearing

Headset

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

Stem

GT Top Load, 1-1/8", 50mm

Handlebar

GT Race, Steel, 6.5"H x 29"W, 4° Up, 8° Back

Saddle

Railed

Seatpost

Alloy, 27.2mm x 200mm

TypeRigid

Pedals

GT Low Profile FS Platform Design

Grips

GT Statement

Groupset
Crank

GT Power Series Tubular Cr-Mo 3pc. 175mm Arms, 19mm x 8T Splined Spindle, Steel Spider, GT 42T Steel Chainring

Cassette

18T 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 Single Wall, 36h

Spokes

Stainless Steel, 14g

Front Hub

Steel Body, 36H, 3/8" Axle

Rear Hub

Steel Flip Flop Thread-on Body, Freewheel, 36h, 3/8" Axle

Tires

GT Wing (F) 24 x 2.1" (R) 24 x 1.75"

Rider Notes
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First added March 24

Last updated September 16

Not listed for 986 days