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2024 GT

Speed Series Pro

A 20″ aluminum frame bmx bike with hydraulic disc brakes.
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Manufacturer Price

$900
FrameAluminum
SuspensionRigid
ForkSteel
Wheels20″ Aluminum
DrivetrainSingle-speed
BrakesHydraulic Disc
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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 Pro

Highest gear

(descending)

Sizing
XL

5'5" – 6'6"

XXL

6'0" – 6'6"

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

GT Speed Series MK7 Elite Race, 6061-T6 AL, Alloy Formed and Butted Speed Metal Tubes, AL CNC/Forged Quick Change Disc Dropout SyStem, BB86, Taper 1-1/8-1.5" Integrated H/T

BB StandardBB86/BB92, Press Fit

ColorBlack

Fork

GT BMX Pro Race, 100% Cr-Mo 1 1/8" Steerer, Tapered Legs, 305mm A/C, 3/8" Dropouts

Bottom Bracket

BB86 Sealed Bearings

Headset

1-1/8-1.5" Taper Sealed Integrated, (45)

Stem

Promax Impact Top Load, 53mm

Handlebar

GT Speed Cr-Mo 8.375"H x 29"W, 8° Sweep, 4° Up, Taper Cross Bar

Saddle

BOX Echelon

Seatpost

Integrated

TypeRigid

Pedals

GT Logo PC Platform

Grips

GT Statement Double Lock-on Grips

Groupset
Crank

GT Forged Alloy 2pc. 24mm Hollow/ Cr-Mo Spindle, 104 BCD 44T AL CNC Chain Ring, Alloy Chain Ring Bolts, Arm Length: Pro: 175mm, Pro XL & Pro XXL: 180mm

Cassette

16T Cog

Chain

KMC Z1 Narrow, 3/32"

Brakes

Hydro Disc Rear, 140mm Rotor (Rear Only)

TypeHydraulic Disc

Brake Levers

Alloy, 2 Finger

Wheels
Rims

Alloy Double Wall, 36h

Spokes

Stainless Steel, 14g

Front Hub

GT Speed Series, Alloy Sealed, 3/8" Female Allen Bolt

Rear Hub

GT Speed Series, Alloy Sealed, 6 Pawl 72point Alloy Cassette Body, 3/8" Female Allen Bolt Cassette

Tires

Front: Kenda Kompact Pro Race 1.75", Rear: Kenda Kompact Pro Race 1.75"

Rider Notes
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First added May 27

Last updated October 18

Not listed for 223 days