Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2004 GT Mach 1 Pro
Previous used estimate
$63 - $65
Actual value depends on condition, size, and local demand.
Value Guide market data · 2004 GT Mach 1 Pro
12-month projected trend
— %
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2004 GT Mach 1 Pro
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Mach model years
2020$87 - $90▲ 38% vs. 2004
2019$75 - $77▲ 19% vs. 2004
2018$90 - $93▲ 43% vs. 20042017$82 - $84▲ 30% vs. 2004
2016$68 - $70▲ 8% vs. 2004
2015$42 - $43▼ 34% vs. 2004
2014$48 - $49▼ 24% vs. 2004
2006$53 - $54▼ 16% vs. 20042004$63 - $65Currently viewing
2003$63 - $650% vs. 20042002$69 - $71▲ 9% vs. 20041999$89 - $92▲ 41% vs. 2004
1998$91 - $94▲ 45% vs. 2004
1997$120 - $123▲ 90% vs. 20041996$119 - $123▲ 89% vs. 2004Compare Mach 1 Pro models
1 modelsChoose a different build or frame style to see its value.
Overview
About this bike
2004 GT Mach 1 Pro value depends on condition, original build, service history, and current buyer demand.
Specifications
- Category
- BMX
- Component Hubs
- GT Mohawk
- Component Rims
- Alex G303, 36-hole
- Product Family
- Mach
- Component Chain
- KMC 410, 1/2 x 1/8inch
- Component Tires
- Front: 20 x 2.125inch GT Brody Knobs, Rear: 20 x 1.75inch GT Brody Knobs
- Component Pedals
- GT Johnson design
- Component Saddle
- GT BMX
- Component Headset
- 1 1/8inch threadless Victor VP-A74F
- Component Brakeset
- Tektro 907A U-brake rear brakes, Tektro 289A rear levers
- Component Cassette
- 1-speed, 16 teeth
- Component Crankset
- Steel one-piece, 43 teeth
- Component Seatpost
- Aluminum, 25.4mm diameter
- Component Handlebar
- GT BMX
- Component Extensions
- Not applicable
- Component Rear Shock
- Not applicable
- Component Spoke Brand
- Steel, 14ga. (2.0mm) straight gauge
- Component Shift Levers
- Not applicable
- Component Fork Material
- Chromoly steerer, unicrown crown
- Component Spoke Nipples
- Brass nipples
- Component Bb Shell Width
- American
- Component Bottom Bracket
- Steel
- Component Handlebar Stem
- GT Piston
- Component Component Group
- Not applicable
- Component Fork Brand Model
- GT
- Component Frame Construction
- TIG-welded
- Component Frame Tubing Material
- Hi-tensile steel
- Frame Construction
- TIG-welded
- Frame Tubing Material
- Hi-tensile steel
- Fork Brand & Model
- GT
- Fork Material
- Chromoly steerer, unicrown crown
- Rear Shock
- Not applicable
- Hubs
- GT Mohawk
- Rims
- Alex G303, 36-hole
- Tires
- Front: 20 x 2.125inch GT Brody Knobs, Rear: 20 x 1.75inch GT Brody Knobs
- Spoke Brand
- Steel, 14ga. (2.0mm) straight gauge
- Spoke Nipples
- Brass nipples
- Component Group
- Not applicable
- Brakeset
- Tektro 907A U-brake rear brakes, Tektro 289A rear levers
- Shift Levers
- Not applicable
- Crankset
- Steel one-piece, 43 teeth
- Pedals
- GT Johnson design
- Bottom Bracket
- Steel
- BB Shell Width
- American
- Chain
- KMC 410, 1/2 x 1/8inch
- Seatpost
- Aluminum, 25.4mm diameter
- Saddle
- GT BMX
- Handlebar
- GT BMX
- Extensions
- Not applicable
- Handlebar Stem
- GT Piston
- Headset
- 1 1/8inch threadless Victor VP-A74F
- Cassette
- 1-speed, 16 teeth
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.