Bicycle Archive · Specification report

2012 GT Speed Series Pro XXL

Velopedia Archive ID 2023577

Overview

Model year	2012
Brand	GT
Model	Speed Series Pro XXL
Bicycle type	BMX
Archive ID	2023577
Colors	Silver/Blue
Sizes	21.5 TT

Frameset

Frame material	Hydroformed Speed Metal Al
Fork	GT Cro-Mo

Drivetrain

Crankset	FSA Assault BB30 180mm 44t
Bottom bracket	FSA BB30
Cassette	DNP Cro-Mo 16t
Chain	KMC Z610Hk
Pedals	GT Pro Plastic

Brakes

Brakes	Promax MV-198

Cockpit & contact points

Headset	FSA Impact 1-1/8"
Handlebar	GT Race Cro-Mo
Stem	GT Race
Saddle	SDG Patriot I-Beam
Seatpost	SDG I-Beam

Wheels & tires

Hubs	GT Mohawk AL Sealed 32h GT Mohawk AL Sealed 36h
Front tire	Tioga Powerblock 1.95, 1.75

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 6, 2026.