Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2021 GT Speed Series Mini
Previous used estimate
$269 - $277
Actual value depends on condition, size, and local demand.
Value Guide market data · 2021 GT Speed Series Mini
12-month projected trend
11%
Direction and magnitude, not judgment
vs. category average
6%
Drops faster than category avg
Price over time - 2021 GT Speed Series Mini
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Speed model years
2021$269 - $277Currently viewing
2020$263 - $270▼ 2% vs. 2021
2019$224 - $230▼ 17% vs. 2021
2018$219 - $226▼ 18% vs. 2021
2016$226 - $232▼ 16% vs. 2021
2015$286 - $294▲ 6% vs. 2021
2014$286 - $294▲ 6% vs. 2021
2013$228 - $235▼ 15% vs. 2021
2012$219 - $225▼ 19% vs. 20212000$165 - $170▼ 39% vs. 20211999$193 - $198▼ 28% vs. 2021Overview
About this bike
Inspired by the Speed Series Pro models and featuring reverse rear dropouts for quick gear changes. Each model size is purpose-designed and spec'd to be lightweight, offering maximum performance to meet each racer's needs. Ideal for riders 4'6" & under.
Specifications
- Subtype
- BMX
- Category
- BMX
- Component Fork
- GT BMX Junior Race, 6061 AL 1" Steerer, 3/8" Dropouts
- Component Size
- 17.5-inch
- Component Stem
- GT Top Load, Cold Forged 1", 40mm
- Product Family
- Speed
- Component Chain
- KMC Z1 Narrow, 3/32"
- Component Color
- Gloss Neon Yellow/Black Fade/Multi
- Component Frame
- GT Speed Series MK7 Junior Race Design, 6061-T6 AL, Alloy Formed and Butted Speed Metal Tubes, Reverse Dropouts, Euro BB, 1" Integrated H/T
- Component Brakes
- Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type
- Component Pedals
- GT Mini Size Platform, PP Material
- Component Saddle
- BOX Echelon
- Component Headset
- 1" Integrated Design, 45X45 Degree Sealed Bearings
- Component Crankset
- GT Forged Alloy 2pc., 140mm Arms, 24mm Hollow/ Alloy Spindle, 38T AL CNC Chain Ring, Alloy Chain Ring Bolts
- Component Handlebar
- GT Speed Alloy 2"H x 22"W, 8° Back, 2° Up
- Component Seat Post
- Integrated
- Component Chainrings
- 38T
- Component Front Tire
- Kenda Kompact Pro Race, 20 x 1-1/8"
- Component Tape Grips
- GT Statement
- Component Bottom Bracket
- Euro Sealed Bearing
- Crankset
- GT Forged Alloy 2pc., 140mm Arms, 24mm Hollow/ Alloy Spindle, 38T AL CNC Chain Ring, Alloy Chain Ring Bolts
- Pedals
- GT Mini Size Platform, PP Material
- Bottom Bracket
- Euro Sealed Bearing
- Chain
- KMC Z1 Narrow, 3/32"
- Saddle
- BOX Echelon
- Handlebar
- GT Speed Alloy 2"H x 22"W, 8° Back, 2° Up
- Headset
- 1" Integrated Design, 45X45 Degree Sealed Bearings
- Stem
- GT Top Load, Cold Forged 1", 40mm
- Brakes
- Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type
- Chainrings
- 38T
- Fork
- GT BMX Junior Race, 6061 AL 1" Steerer, 3/8" Dropouts
- Frame
- GT Speed Series MK7 Junior Race Design, 6061-T6 AL, Alloy Formed and Butted Speed Metal Tubes, Reverse Dropouts, Euro BB, 1" Integrated H/T
- Seat Post
- Integrated
- Tape/Grips
- GT Statement
- Color
- Gloss Neon Yellow/Black Fade/Multi
- Size
- 17.5-inch
- Front Tire
- Kenda Kompact Pro 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.