VelopediaBicycle Archive · Specification report

2003 Argon 18 Radon 105 Triathlon

Velopedia Archive ID 30442

Overview

Model year2003
BrandArgon 18
ModelRadon 105 Triathlon
Bicycle typeRoad race & triathlon
Archive ID30442
ColorsBlack, Blue/Black
Sizes46cm, 51cm, 54cm, 57cm, 60cm

Frameset

Frame constructionTIG-welded/bonded
Frame materialColumbus Zonal/carbon seat stays
ForkArgon 18
Fork materialCarbon fiber composite w/aluminum steerer, aero crown
Rear shockN/A

Drivetrain

Component groupShimano 105
ShiftersShimano Dura-Ace bar-end
Front derailleurShimano 105, braze-on
Rear derailleurShimano 105
CranksetShimano 105, 39/53 teeth
Bottom bracketShimano BB-5500, 109.5mm spindle
BB shell width68mm American
Rear cogs9-speed, 12 - 23 teeth
ChainShimano, 1/2 x 3/32"

Brakes

BrakesShimano 105 Dual Pivot brakes, Dia-Compe 188 TRI levers

Cockpit & contact points

Headset1 1/8" integrated Cane Creek
HandlebarProfile Stoker
Handlebar extensionsProfile Aerolite
Stem3T T.H.E.
SaddleSelle Italia Trimatic 2
SeatpostKalloy, 27.2mm diameter

Wheels & tires

HubsShimano 105
RimsMavic CXP 33
SpokesMavic stainless steel
Front tire700 x 23c Michelin Axial Pro
Wheel size700c wheels

Geometry · Legacy reference

Top tube555 mm
Head-tube angle73°
Seat-tube angle73.5°
Chainstay / rear center408 mm
Wheelbase985 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 30, 2026.