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2021 GT

Speed Series Mini

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

$795
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels20″ Aluminum
DrivetrainSingle-speed
BrakesPromax Rim
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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

Speed Series Mini

Highest gear

(descending)

Sizing
MINI

3'11" +

🐐 Estimated

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

GT Speed Series MK7 Junior Race Design, 6061-T6 AL, Alloy Formed and Butted Speed Metal Tubes, Reverse Dropouts, Euro BB, 1" Integrated H/T

Fork

GT BMX Junior Race, 6061 AL 1" Steerer, 3/8" Dropouts

Bottom Bracket

Euro Sealed Bearing

Headset

1" Integrated Design, 45X45 Degree Sealed Bearings

Stem

GT Top Load, Cold Forged 1", 40mm

Handlebar

GT Speed Alloy 2"H x 22"W, 8° Back, 2° Up

Saddle

BOX Echelon

Seatpost

Integrated

TypeRigid

Pedals

GT Mini Size Platform, PP Material

Grips

GT Statement

Groupset
Crank

GT Forged Alloy 2pc. 140mm Arms, 24mm Hollow/ Alloy Spindle, 38T AL CNC Chain Ring, Alloy Chain Ring Bolts

Cassette

16T Cog

Chain

KMC Z1 Narrow, 3/32"

Brakes

Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type, Front: Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type, Rear: Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type

TypePromax Rim

Brake Levers

Alloy V-type

Wheels
Rims

Alloy Double Wall, 28h

Spokes

Stainless Steel, 14g

Front Hub

GT Speed Series, Alloy CNC Body, Sealed Bearings, 28h, 3/8" Female Allen Bolts

Rear Hub

GT Speed Series Cassette, Alloy CNC body, 5 Sealed Bearings, 3 Pawl Cassette, 28h, 3/8" Allen Bolts

Tires

Kenda Kompact Pro Race, 20 x 1-1/8"

Rider Notes
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First added March 24

Last updated September 16

Not listed for 986 days