Speed Series Expert

Inspired by the Speed Series Pro models and featuring reverse rear dropouts for quick gear changes. Each model size is purpose designed and spec'd to be lightweight, offering maximum performance to meet each racers needs. Ideal for riders 4'8"-5'4".
  • Speed Alloy Frame with Reverse Dropouts
  • Speed Series Aero Double Wall rims
  • Kenda Kompact Pro Race tires
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Quick Gear Changes

Featuring reverse rear dropouts for quick gear changes

Inspired by the Speed Series Pro models

Each model size is purpose-designed and spec'd to be lightweight, offering maximum performance to meet each racer's needs

Speed Series Expert

The Speed Series Expert is ideal for riders 4'8"-5'4"

Frame

frame GT Speed Series MK7 Junior Race, 6061-T6 AL, Alloy Formed and Butted Speed Metal Tubes, Reverse Dropouts, Euro BB, 1-1/8" Integrated H/T
sizes available EXPERT
fork GT BMX Expert Race, 100% Cr-Mo 1-1/8" Steerer, 312mm A/C, 3/8" Dropouts
wheel size 20

Wheels

rims Alloy Double Wall, 28h
front hub GT Speed Series, Alloy Sealed, 3/8" Female Allen Bolt
rear hub GT Speed Series, Alloy Sealed 3/8" Female Allen Bolt Cassette
front tire Kenda Kompact Pro Race 1-3/8"
rear tire Kenda Kompact Pro Race 1-3/8"
spokes Stainless Steel, 14g

Drivetrain

rear cogs 16T Cog
chain KMC Z1 Narrow, 3/32"
crank GT Forged Alloy 2pc., 165mm Arms, 24mm Hollow/ Alloy Spindle, 104 BCD 42T AL CNC Chain Ring, Alloy Chain Ring Bolts
bottom bracket EB24 Sealed Bearings
chain device 6061 AL CNC Chain Tensioners
pedals GT Mini Platform

Cockpit

handlebar GT Speed Cr-Mo 6.5"H x 26"W, 8° Sweep, 4° Up, Taper Cross Bar
stem GT Top Load, 40mm
grips GT Statement
headset 1-1/8" Sealed Integrated (41.8 x 45)
seatpost Integrated
saddle BOX Echelon

Brakes

brakes Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type
brake levers Alloy V-type
Please note that, based on component availability and other factors, specifications are subject to change without notice.

Fit Guide

Micro
2'0" - 4'0"
Mini
4'0" - 4'4"
Junior
4'3" - 4'7"
Expert
4'6" - 5'5"
Expert XL
5'2" - 5'6"
Pro
5'4" - 5'8"
Pro XL
5'7" - 6'0"
Pro XXL
6'0" - 6'5"
Pro XXXL
6'0" - 6'5"
Pro XL 24"
5'6" - 6'5"

Geometry

Sizes (in) Expert
Top tube actual 19.5
Head tube angle 73 °
Seat tube angle 70 °
Standover 6.25
Head tube length 4
Wheelbase 35.3
Front center 21.7
Chainstay length 13.62
Bottom bracket height 11
Seat post diameter 22.2
Dropouts 10mm
Brake mounts V-Brakes
Rider area 21.1
Bottom bracket type BSA
Axle to crown 12.1
Fork rake 1.3

GT Tech Book

GT Owner's Manual