Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2004 Trek 1800
Value Guide market data · 2004 Trek 1800
12-month trend
— %
Direction and magnitude, not judgment
vs. category average
36%
Holds value better than category avg
Price over time - 2004 Trek 1800
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All 1800 model years
2004 1800 lineup
Overview
About this bike
2004 Trek 1800 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork Brand & Model
- Bontrager Race Carbon
- Fork Material
- Carbon fiber w/aluminum steerer, unicrown crown
- Frame Construction
- TIG-welded
- Frame Tubing Material
- Aluminum
Drivetrain
- Groupset
- Shimano Ultegra
- Cassette
- 9-speed, 12 - 25 teeth
- Chain
- 1/2 x 3/32inch
- Component Group
- Road Mix
- Crankset
- Shimano Ultegra, 30/42/52 teeth
- Shifters
- Shimano Ultegra STI Dual Control
Brakes
- Brakes
- Aluminum dual pivot brakes, Shimano Ultegra STI Dual Control levers
Cockpit
- Handlebar
- Bontrager Flat Top
- Stem
- Bontrager Race
- Headset
- 1 1/8inch threadless Aheadset
- Saddle
- Bontrager CRZ
- Seatpost
- Aluminum suspension
Wheels & Tires
- Hubs
- Bontrager Race
- Rims
- Bontrager Race, 20-hole/24-hole
- Spoke Brand
- DT stainless steel, 14ga. (2.0mm) straight gauge
- Tires
- 700 x 28c Bontrager Race Lite
Pedals
- Pedals
- Shimano PD-M520 SPD
Accessories
- BB Shell Width
- 68mm English
- 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.