2020 GT

Mach One Pro 24

A 24″ aluminum frame bmx bike with rim brakes.
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MSRP$375
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)

16 mph

Mach One Pro 24

Highest gear

(descending)

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

GT Mach One Race, 6061-T6 AL, Euro BB, Reverse Dropouts, 1-1/8" Integrated H/T

Fork

GT BMX design, 1-1/8" Steerer x 31.8mm blades, Hi-Ten Blades

Bottom Bracket

Euro Sealed Bearings

Headset

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

Stem

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

Handlebar

GT Race, Steel, 6.5"H x 29"W, 8° Back, 4° Up, 19mm O.D. Cross Bar

Saddle

Railed

Seatpost

Alloy, 25.4mm x 200mm

TypeRigid

Pedals

GT Low Profile FS Platform Design, PP Material, Boron Axle

Grips

GT Junior

Groupset
Crank

GT Power Series Tubular Cr-Mo 3pc. 175mm Arms, 19mm x 8T Splined Spindle, GT 36T Steel Sprocket

Cassette

16T freewheel

Chain

KMC S1

Brakes

Alloy V-type

TypeRim

Brake Levers

Alloy V-type

Wheels
Rims

Alloy Single Wall, 36h

Spokes

Stainless Spokes, 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, 24 x 2.1"

Rider Notes
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Last updated June 23
Not listed for 1,389 days