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2011 GT Mach One Expert CB

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Overview

Brand
GT
Model family
Mach One
Model year
2011
Category
BMX · race
Frame material
steel
Sizes
20" WHEEL / 18" TOP TUBE
Wheel size
20

Drivetrain

Speeds
1
Chainrings
1
Electronic
false
Total gears
1

Build

Fork
GT BMX design, 1-1/8" threadless steer, 1-1/8" OD. blades
Stem
GT Branded, 1-1/8" Aluminum
Tires
GT Wing design, 1.75" front and rear
Brakes
front: Alloy Side-Pull Caliper; rear: Tektro alloy V-type; levers: Tektro, 317A Alloy
Saddle
Mini street design, 7mm rails
Wheels
rims: Alloy, 36 Hole; front hub: Steel, 36 hole; rear hub: Steel, 36 hole; spokes: 14G
Cassette
16t Freewheel
Crankset
Forged 1-piece type, 127mm/ `06 design GT steel, 36T
Seatpost
Steel, 25.4 x 250mm
Handlebar
GT BMX Design, Hi-Ten, 6- 3/4" Rise

Spec from GT's official 2011 catalog (PDF), specification chart on PDF page 151, column "MACH ONE EXPERT CB"; the catalog prints no prices. Fix round 2026-10-21: every row of this column re-read with a third reader (pdftotext -table, which keeps each row label level with its cells); values that the earlier two reader pass merged with a neighbouring column or dropped are now as printed. Wheel size from the page's size or name row (the tire row gives no diameter). Frame: Single down tube design, Hi-Ten steel, low stand-over height, V-brake on seat stays, 1-1/8" head tube Bottom bracket: Steel, Ball Type Chain: KMC Z410 Headset: VP-A74F HD steel, extra deep cup engagement, 1-1/8" threadless Pedals: Jr. BMX Design, Resin Grips: GT Wing Waffle Design, Kraton Material Seat clamp: Alloy, GT Wing Logo Extras: Pad Set Nipples: Brass

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