Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2020 GT Mach One Mini
Previous used estimate
$131 - $134
Actual value depends on condition, size, and local demand.
Value Guide market data · 2020 GT Mach One Mini
12-month projected trend
5%
Direction and magnitude, not judgment
vs. category average
4%
Holds value better than category avg
Price over time - 2020 GT Mach One Mini
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Mach One model years
2021$174 - $179▲ 33% vs. 20202020$131 - $134Currently viewing
2019$124 - $128▼ 5% vs. 2020
2018$122 - $126▼ 6% vs. 2020
2017$109 - $112▼ 17% vs. 2020
2016$102 - $105▼ 22% vs. 2020
2015$99 - $102▼ 24% vs. 2020
2012$71 - $73▼ 46% vs. 2020
2011$71 - $73▼ 46% vs. 2020
2006$63 - $65▼ 52% vs. 2020
2005$63 - $65▼ 52% vs. 2020Compare Mach One Mini models
1 modelsChoose a different build or frame style to see its value.
Overview
About this bike
Breaking the barrier to racing BMX shouldn’t cost an arm and a leg, and the Mach One Mini is ready for action. Designed to fit and feel like the adult version, the Mach One Mini features junior-sized components to create the best riding experience possible for smaller racers.
Specifications
- Subtype
- BMX
- Category
- BMX
- Component Fork
- GT BMX Junior Race, Hi-Ten Steel 1" Steerer, Oval 31.8 X 1.4mm Blades, 315mm A/C, 3/8" Dropouts
- Component Hubs
- Rear: Steel Flip Flop Thread-On Body, Freewheel, 28h, 3/8" Axle
- Component Size
- 17-inch
- Component Stem
- GT Top Load 1" Aluminum, 40mm
- Product Family
- Mach One
- Component Chain
- KMC S1
- Component Color
- Red
- Component Frame
- GT Mach One Race, 6061-T6 AL, Euro BB, Reverse Dropouts, 1" Integrated H/T
- Component Brakes
- Alloy V-type
- Component Pedals
- GT Mini Size Platform, PP Material
- Component Saddle
- GT Uni Mini Kevlar Padded
- Component Headset
- 1" Integrated Design, 36X45 Degree Sealed Bearings
- Component Crankset
- Alloy Forged 3pc., Square Taper, 140mm, BCD110, Chain Ring Bolts
- Component Handlebar
- GT Race, Steel, 2"H x 22"W 8° Back, 2° Up
- Component Seat Post
- Alloy integrated w/ Saddle, 25.4 x 150mm
- Component Chainrings
- 36T Steel Chain Ring
- Component Front Tire
- Kenda Race, 20 x 1-1/8"
- Component Tape Grips
- GT Statement logo grips
- Component Brake Levers
- Alloy V-type
- Component Bottom Bracket
- Euro Sealed Bearings
- Hubs
- Rear: Steel Flip Flop Thread-On Body, Freewheel, 28h, 3/8" Axle
- Crankset
- Alloy Forged 3pc., Square Taper, 140mm, BCD110, Chain Ring Bolts
- Pedals
- GT Mini Size Platform, PP Material
- Bottom Bracket
- Euro Sealed Bearings
- Chain
- KMC S1
- Saddle
- GT Uni Mini Kevlar Padded
- Handlebar
- GT Race, Steel, 2"H x 22"W 8° Back, 2° Up
- Headset
- 1" Integrated Design, 36X45 Degree Sealed Bearings
- Stem
- GT Top Load 1" Aluminum, 40mm
- Brake Levers
- Alloy V-type
- Brakes
- Alloy V-type
- Chainrings
- 36T Steel Chain Ring
- Fork
- GT BMX Junior Race, Hi-Ten Steel 1" Steerer, Oval 31.8 X 1.4mm Blades, 315mm A/C, 3/8" Dropouts
- Frame
- GT Mach One Race, 6061-T6 AL, Euro BB, Reverse Dropouts, 1" Integrated H/T
- Seat Post
- Alloy integrated w/ Saddle, 25.4 x 150mm
- Tape/Grips
- GT Statement logo grips
- Color
- Red
- Size
- 17-inch
- Front Tire
- Kenda Race, 20 x 1-1/8"
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.