Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
1998 GT Performer (Mag)
Value Guide market data · 1998 GT Performer (Mag)
12-month trend
— %
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 1998 GT Performer (Mag)
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Performer model years
2021$939 - $1,091▲ 156% vs. 1998
2020$326 - $378▼ 11% vs. 1998
2019$684 - $794▲ 87% vs. 1998
2018$707 - $821▲ 93% vs. 1998
2017$316 - $367▼ 14% vs. 1998
2016$279 - $324▼ 24% vs. 1998
2015$307 - $356▼ 16% vs. 1998
2014$456 - $529▲ 24% vs. 1998
2012$460 - $535▲ 26% vs. 1998
2010$344 - $400▼ 6% vs. 1998
2003$233 - $270▼ 36% vs. 19981999$312 - $363▼ 15% vs. 19981998$366 - $426Currently viewing1994$298 - $346▼ 19% vs. 19981998 Performer (Mag) lineup
Overview
About this bike
1998 GT Performer (Mag) value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Frame Construction
- TIG-welded
- Frame Tubing Material
- 4130 chromoly main triangle/hi-tensile steel rear stays
- Fork Brand & Model
- GT
- Fork Material
- Chromoly, unicrown crown
- Rear Shock
- Not applicable
Drivetrain
- Groupset
- 1998 GT Performer (Mag)
- Component Group
- Not applicable
- Shift Levers
- Not applicable
- Crankset
- GT 1-piece chromoly, 45 teeth
- Rear Cogs
- 1-speed
- Chain
- 1/2 x 1/8inch
Brakes
- Brakeset
- Dia-Compe Bulldog front/Tektro 990 rear
Cockpit
- Seatpost
- GT Chromoly
- Saddle
- GT Freestyle
- Handlebar
- GT Freestyle chromoly
- Handlebar Stem
- GT Piston
- Headset
- 1inch
Wheels & Tires
- Hubs
- GT 3-spoke mag
- Rims
- GT 3-spoke mag
- Tires
- 20 x 2.10inch GT LP III
- Spoke Brand
- Not applicable
- Spoke Nipples
- Not applicable
Pedals
- Pedals
- GT aluminum platforms
Accessories
- Colors
- Black Rainbow, chrome-plated, lime green
- BB Shell Width
- American
- Extensions
- Not applicable
Weight & Sizing
- Sizes
- Pro
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.