Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2006 GT Mach One Expert
Previous used estimate
$63 - $65
Actual value depends on condition, size, and local demand.
Value Guide market data · 2006 GT Mach One Expert
12-month projected trend
— %
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2006 GT Mach One Expert
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Mach One model years
2021$174 - $179▲ 176% vs. 2006
2020$138 - $142▲ 119% vs. 2006
2019$124 - $128▲ 97% vs. 2006
2018$122 - $126▲ 94% vs. 2006
2017$109 - $112▲ 73% vs. 2006
2016$102 - $105▲ 62% vs. 2006
2015$99 - $102▲ 57% vs. 2006
2012$71 - $73▲ 13% vs. 2006
2011$71 - $73▲ 13% vs. 20062006$63 - $65Currently viewing
2005$63 - $650% vs. 2006Compare Mach One Expert models
1 modelsChoose a different build or frame style to see its value.
Overview
About this bike
2006 GT Mach One Expert value depends on condition, original build, service history, and current buyer demand.
Specifications
- Category
- BMX
- Component Hubs
- Front: Steel, Rear: Shimano coaster brake,
- Component Rims
- Alloy, 36 hole, 36-hole
- Product Family
- Mach One
- Component Chain
- KMC Z410
- Component Tires
- 20 x 1.75inch GT Brody Knob
- Component Saddle
- GT Jr. BMX design, padded with stitched cover and 7mm rails
- Component Headset
- 1inch steel
- Component Brakeset
- Tektro alloy V-type rear brakes, Tektro, 317A alloy rear levers
- Component Cassette
- 1-speed
- Component Crankset
- Forged one-piece typ, 36 teeth
- Component Seatpost
- Steel, 22.2mm (7/8 inch) diameter
- Component Handlebar
- GT BMX design, Hi-Ten, 6- 3/4inch rise
- Component Extensions
- Not applicable
- Component Rear Shock
- Not applicable
- Component Spoke Brand
- 14ga. (2.0mm) straight gauge
- Component Shift Levers
- Not applicable
- Component Fork Material
- Steel
- Component Spoke Nipples
- Brass nipples
- Component Bottom Bracket
- Steel, ball type
- Component Component Group
- BMX
- Component Fork Brand Model
- GT BMX design
- Component Frame Construction
- TIG-welded
- Component Frame Tubing Material
- GT BMX dirt jump styling, Hi-Ten steel
- Frame Construction
- TIG-welded
- Frame Tubing Material
- GT BMX dirt jump styling, Hi-Ten steel
- Fork Brand & Model
- GT BMX design
- Fork Material
- Steel
- Rear Shock
- Not applicable
- Hubs
- Front: Steel, Rear: Shimano coaster brake,
- Rims
- Alloy, 36 hole, 36-hole
- Tires
- 20 x 1.75inch GT Brody Knob
- Spoke Brand
- 14ga. (2.0mm) straight gauge
- Spoke Nipples
- Brass nipples
- Component Group
- BMX
- Brakeset
- Tektro alloy V-type rear brakes, Tektro, 317A alloy rear levers
- Shift Levers
- Not applicable
- Crankset
- Forged one-piece typ, 36 teeth
- Bottom Bracket
- Steel, ball type
- Chain
- KMC Z410
- Seatpost
- Steel, 22.2mm (7/8 inch) diameter
- Saddle
- GT Jr. BMX design, padded with stitched cover and 7mm rails
- Handlebar
- GT BMX design, Hi-Ten, 6- 3/4inch rise
- Extensions
- Not applicable
- Headset
- 1inch steel
- Cassette
- 1-speed
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.