VelopediaBicycle Archive · Specification report

2004 Trek 1800C

Velopedia Archive ID 31164

Overview

Model year2004
BrandTrek
Model1800C
Bicycle typeRoad/sport
Archive ID31164
Original MSRP$1,319.99
ColorsMetallic Charcoal
Sizes50cm, 54cm, 58cm, 63cm

Frameset

Frame constructionTIG-welded
Frame materialAluminum
ForkBontrager Race Carbon
Fork materialCarbon fiber w/aluminum steerer, unicrown crown
Rear shockN/A

Drivetrain

Component groupRoad Mix
ShiftersShimano Ultegra STI Dual Control
Front derailleurShimano 105
Rear derailleurShimano Ultegra GS
CranksetShimano Ultegra, 30/42/52 teeth
BB shell width68mm English
Rear cogs9-speed, 12 - 25 teeth
Chain1/2 x 3/32"
PedalsShimano PD-M520 SPD

Brakes

BrakesAluminum dual pivot brakes, Shimano Ultegra STI Dual Control levers

Cockpit & contact points

Headset1 1/8" threadless Aheadset
HandlebarBontrager Flat Top
Handlebar extensionsNot included
StemBontrager Race
SaddleBontrager CRZ
SeatpostAluminum suspension

Wheels & tires

HubsBontrager Race
RimsBontrager Race, 20-hole/24-hole
SpokesDT stainless steel, 14ga. (2.0mm) straight gauge
Front tire700 x 28c Bontrager Race Lite
Wheel size700c wheels

Geometry · Legacy reference

Top tube565 mm
Head-tube angle73°
Seat-tube angle73.5°
Chainstay / rear center430 mm
Wheelbase1023 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.