Bicycle Archive · Specification report2001 GT Mach One · 1997 GT Mach One
| Specification | 2001 GT Mach One | 1997 GT Mach One |
|---|---|---|
| Overview | ||
| Model year | 2001 | 1997 |
| Brand | GT | GT |
| Model | Mach One | Mach One |
| Bicycle type | BMX | BMX |
| Archive ID | 35525 | 67378 |
| Original MSRP | $329.99 | $355.99 |
| Colors | Chrome-Plated, Gloss Black/Bright Yellow, Gloss Black/Liquid Blue | Black, blue, chrome-plated |
| Sizes | Pro | Boys |
| Frameset | ||
| Frame construction | TIG-welded | TIG-welded |
| Frame material | 4130 chromoly | Chromoly |
| Fork | GT | GT |
| Fork material | Chromoly, unicrown crown | Chromoly, unicrown crown |
| Rear shock | N/A | N/A |
| Drivetrain | ||
| Component group | N/A | N/A |
| Shifters | N/A | N/A |
| Front derailleur | N/A | N/A |
| Rear derailleur | N/A | N/A |
| Crankset | GT 3-piece chromoly, 44 teeth | GT Power Series 1-piece chromoly, 44 teeth |
| Bottom bracket | GT one piece | One piece |
| BB shell width | — | 68mm Threadless |
| Rear cogs | 1-speed, 16 teeth | 1-speed, 16 teeth |
| Chain | KMC, 1/2 x 3/32" | KMC 410, 1/2 x 3/32" |
| Pedals | GT aluminum platform | GT aluminum platforms |
| Brakes | ||
| Brakes | ProMax MX 2.0 V-Brake rear brakes, ProMax MX 1.0 V-Brake rear levers | Tektro 875A V-brake rear brakes, aluminum levers |
| Cockpit & contact points | ||
| Headset | 1 1/8" threadless Aheadset | 1 1/8" threadless steel |
| Handlebar | GT Expert BMX | GT Expert chromoly |
| Handlebar extensions | Not included | N/A |
| Stem | GT Piston | GT aluminum |
| Saddle | GT | GT Drop Nose |
| Seatpost | GT aluminum micro-adjust, 26.0mm diameter | Chromoly micro-adjust |
| Wheels & tires | ||
| Hubs | GT 2000 | GT Mohawk |
| Rims | Alex 7X, 36-hole | Weinmann 4019, 36-hole |
| Spokes | 14g | Steel, 2.0mm straight gauge |
| Spoke nipples | Brass nipples | Brass nipples |
| Front tire | 20 x 2.125" GT Brody | 20 x 2.125" GT AA Pro |
| Rear tire | 20 x 1.75" GT Brody | 20 x 1.75" GT AA Pro |
| Wheel size | 20" wheels | 20" wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 12, 2026.