VelopediaBicycle Archive · Specification report

2003 Argon 18 Helium Centaur Triple

Velopedia Archive ID 30382

Overview

Model year2003
BrandArgon 18
ModelHelium Centaur Triple
Bicycle typeRoad race & triathlon
Archive ID30382
ColorsGraphite/Black, Yellow/Black
Sizes46cm, 51cm, 54cm, 57cm, 60cm

Frameset

Frame constructionBonded
Frame materialAluminum, carbon fiber
ForkArgon 18
Fork materialCarbon fiber composite w/carbon fiber steerer, aero crown
Rear shockN/A

Drivetrain

Component groupCampagnolo Centaur Triple
ShiftersCampagnolo Centaur Ergo
Front derailleurCampagnolo Centaur Triple, braze-on
Rear derailleurCampagnolo Centaur
CranksetCampagnolo Centaur Triple, 30/39/53 teeth
Bottom bracketCampagnolo Centaur, 118.5mm spindle
BB shell width68mm American
Rear cogs10-speed, 12 - 25 teeth
ChainCampagnolo Centaur, 1/2 x 3/32"
PedalsNot included

Brakes

BrakesCampagnolo Centaur dual pivot brakes, Campagnolo Centaur Ergo levers

Cockpit & contact points

Headset1 1/8" integrated Cane Creek
Handlebar3T T.H.E.
Handlebar extensionsN/A
Stem3T T.H.E.
SaddleSelle Italia Trimatic 2
SeatpostKalloy, 27.2mm diameter

Wheels & tires

HubsCampagnolo Centaur
RimsMavic CXP 23
SpokesMavic stainless steel
Front tire700 x 23c Michelin Axial Pro Race
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 29, 2026.