Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
1998 GT Attack
Value Guide market data · 1998 GT Attack
12-month trend
— %
Direction and magnitude, not judgment
vs. category average
30%
Holds value better than category avg
Price over time - 1998 GT Attack
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Attack model years
1998 Attack lineup
Overview
About this bike
1998 GT Attack value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork Brand & Model
- GT
- Fork Material
- Chromoly, butted, aero crown
- Frame Construction
- TIG-welded
- Frame Tubing Material
- Reynolds 531
- Rear Shock
- Not applicable
Drivetrain
- Groupset
- Shimano Ultegra
- Bottom Bracket
- Tange-Seiki LN-65
- Cassette
- 9-speed, 12 - 23 teeth
- Chain
- Shimano CN-6500, 1/2 x 3/32inch
- Component Group
- Road Mix
- Crankset
- Shimano 105SC, 42/53 teeth
- Shifters
- Shimano 600 Ultegra STI Dual Control
Brakes
- Brakes
- Shimano 105SC Dual Pivot brakes, Shimano 600 Ultegra STI levers
Cockpit
- Handlebar
- Profile Hammer
- Stem
- Aluminum
- Headset
- 1inch Tange-Seiki Vantage
- Saddle
- GT, chromoly rails
- Seatpost
- GT aluminum micro-adjust
Wheels & Tires
- Hubs
- Shimano 105SC
- Rims
- Mavic CXP 21, 32-hole
- Spoke Brand
- DT stainless steel, 1.8mm double-butted
- Spoke Nipples
- Alloy nipples
- Tires
- 700 x 23c IRC PaperLite Plus kevlar
Pedals
- Pedals
- Not included
Accessories
- BB Shell Width
- 68mm English
- Colors
- Boss red
- Extensions
- Not included
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.
Inspection
Carbon inspection
Tap test the frame, fork, seatpost, and bars for cracks; verify no impact damage near dropouts.
Inspection
Brake hoses & cables
Check hydraulic line bleed, cable housing wear, and confirm rotors are within spec.