2020 GT

Mach One Mini

A 20″ aluminum frame bmx bike with rim brakes.
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MSRP$350
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)

15 mph

Mach One Mini

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" Integrated H/T

Fork

GT BMX Junior Race, Hi-Ten Steel 1" Steerer, Oval 31.8 X 1.4mm Blades, 315mm A/C, 3/8" Dropouts

Bottom Bracket

Euro Sealed Bearings

Headset

1" Integrated Design, 36X45 Degree Sealed Bearings

Stem

GT Top Load 1" Aluminum, 40mm

Handlebar

GT Race, Steel, 2"H x 22"W 8° Back, 2° Up

Saddle

GT Uni Mini Kevlar Padded

Seatpost

Alloy integrated w/ Saddle, 25.4 x 150mm

TypeRigid

Pedals

GT Mini Size Platform, PP Material

Grips

GT Statement logo grips

Groupset
Crank

Alloy Forged 3pc. Square Taper, 140mm, BCD110, 36T Steel Chain Ring, Chain Ring Bolts

Cassette

14T freewheel

Chain

KMC S1

Brakes

Alloy V-type

TypeRim

Brake Levers

Alloy V-type

Wheels
Rims

Alloy Double Wall, 28h

Spokes

Stainless Spokes, 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 1-1/8"

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Last updated June 23
Not listed for 1,396 days