2020 GT

Speed Series Micro

A 20″ aluminum frame bmx bike with rim brakes.
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MSRP$650
FrameAluminum
SuspensionRigid
ForkAluminum
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)

16 mph

Speed Series Micro

Highest gear

(descending)

Geometry
99 Spokes on YouTube99 Spokes on YouTube
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, 25.4x2.2mm Blades, 312mm A/C, 3/8" Dropouts

Bottom Bracket

EB24 Sealed Bearings

Headset

1" Integrated Design, 45X45 Degree Sealed Bearings

Stem

GT Top Load, Cold Forged 1", 40mm

Handlebar

GT Speed Alloy 1"H x 20"W, 8° Back, 2° Up

Saddle

BOX Echelon

Seatpost

Alloy integrated w/ Saddle, 22.2 x 135mm

TypeRigid

Pedals

GT Mini Size Platform, PP Material

Grips

GT Statement

Groupset
Crank

GT Forged Alloy 2pc. 127mm Arms, 24mm Hollow Alloy Spindle, 38T AL CNC Chain Ring, Alloy Chain Ring Bolts

Cassette

14T

Chain

KMC Z1 Narrow, 3/32"

Brakes

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

TypeRim

Brake Levers

Promax 2 Finger Lever w/ Reach Adjust

Wheels
Rims

Speed Series Aero, double wall, 28h

Spokes

Stainless Steel, 14g

Front Hub

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

Rear Hub

GT Speed Series Cassette, Alloy CNC body, 5 Sealed Bearings, 3 pawl Cassette, 28h, 3/8" Female Allen Bolts w/ Alloy Washers

Tires

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

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Last updated June 23
Not listed for 1,389 days