VelopediaBicycle Archive · Specification report

Bicycle comparison

2003 Marin Portofino · 2004 Marin Portofino

Specification2003 Marin Portofino2004 Marin Portofino
Overview
Model year20032004
BrandMarinMarin
ModelPortofinoPortofino
Bicycle typeRoad race & triathlonRoad race & triathlon
Archive ID3938231264
Original MSRP$999.99$799.99
ColorsBlackGloss Metallic Black/Silver
Sizes48cm, 51cm, 53cm, 55cm, 57cm, 59cmLarge, medium, small, xlarge
Frameset
Frame constructionTIG-weldedTIG-welded
Frame materialColumbus ThronColumbus Thron,/carbon fiber
Fork materialCarbon fiber composite, unicrown crownCarbon fiber
Rear shockN/AN/A
Drivetrain
Component groupShimano Sora TripleRoad Mix
ShiftersShimano Sora STI Dual ControlShimano Sora STI Dual Control
Front derailleurShimano Sora TripleShimano FD-2203
Rear derailleurShimano Sora GSShimano Sora
CranksetShimano Sora, 30/42/52 teethTruVativ Touro, 30/42/52 teeth
Bottom bracketSealed cartridgeTruVativ cartridge
BB shell width68mm English—
Rear cogs8-speed, 12 - 25 teeth8-speed, 12 - 24 teeth
ChainShimano CN-UG50, 1/2 x 3/32"Shimano HG-50
PedalsAluminum cage w/clips & strapsAlloy, Toe Clip and Strap
Brakes
BrakesShimano Sora Dual Pivot brakes, Shimano Sora STI Dual Control leversShimano Sora Dual Pivot brakes, Shimano Sora STI Dual Control levers
Cockpit & contact points
Headset1" Ritchey Logic1 1/8" threadless Ritchey Logic
HandlebarCinelli AlteraCinelli Altera
Handlebar extensionsNot includedNot included
Stem3T MutantForged and CNC 4 bolt road
SaddleSelle Italia XOSelle Italia XO XP
SeatpostAluminum micro-adjustComp Alloy Micro Adjust
Wheels & tires
HubsFormula Xero Lite XR4Shimano 2200
RimsFormula Xero Lite XR4, 20-hole/24-holeMavic CXP 22, 32-hole
SpokesFormulaDT stainless steel, 15ga. (1.8mm) straight gauge
Spoke nipples—Aluminum nipples
Front tire700 x 23c Kenda Koncept700 x 28c Kenda Road
Wheel size700c wheels700c wheels

Geometry comparison

One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.

Measurement2003 Marin Portofino2004 Marin Portofino
Selected size / positionLegacy reference—
Head-tube angle73°—
Seat-tube angle73.5°—
Chainstay / rear center405 mm—

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 12, 2026.