Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2002 GT D12
Value Guide market data · 2002 GT D12
12-month trend
— %
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2002 GT D12
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All D12 model years
2002 D12 lineup
Overview
About this bike
2002 GT D12 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork Brand & Model
- GT
- Fork Material
- Chromoly, unicrown crown
- Frame Construction
- TIG-welded
- Frame Tubing Material
- Chromoly main triangle/hi-tensile steel rear stays
- Rear Shock
- Not applicable
Drivetrain
- Groupset
- 2002 GT D12
- Cassette
- 1-speed, 16 teeth
- Chain
- 1/2 x 3/16inch
- Component Group
- Not applicable
- Crankset
- GT 3-piece chromoly
- Shifters
- Not applicable
Brakes
- Brakes
- Tektro U-brake front/Tektro FX-11 rear brakes, Tektro 273A levers
Cockpit
- Handlebar
- GT chromoly
- Stem
- GT Piston
- Headset
- 1 1/8inch threadless Tange-Seiki Fatty MX
- Saddle
- GT Launch Pad
- Seatpost
- Chromoly, 25.4mm diameter
Wheels & Tires
- Hubs
- Aluminum, nutted
- Rims
- Alex G22, 36-hole
- Spoke Brand
- Stainless steel, 14ga. (2.0mm) straight gauge
- Spoke Nipples
- Brass nipples
- Tires
- 20 x 2.10inch GT LP-4
Pedals
- Pedals
- GT Trail/Freestyle Al platform
Accessories
- BB Shell Width
- American
- Colors
- Green/Black
- Extensions
- Not applicable
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.