Velopedia Bicycle Archive

2005 Giant OCR Composite 3

Original specifications: Shimano 105 · 9-speed · mechanical rear derailleur · 700c wheels.

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At a glance

Model year
2005
Category
Road
Original MSRP
$1,600.00
Sizes
XS, S, M, L, XL
Colors
Composite/Orange
In this record
23 specifications · archived image · original MSRP
Archive ID
93026
Model history 1 other year
Original buildFormulaOne composite · Road Mix Triple · 700c wheels

Manufacturer catalog

Published sizes and colors

5 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

XSSMLXL

Published colors

Composite/Orange

Frameset

Frame ConstructionBonded
Frame MaterialFormulaOne composite
ForkFormulaOne
Fork MaterialCarbon fiber/aluminum steerer, aero crown

Drivetrain

Component GroupRoad Mix Triple
ShiftersShimano 105 STI Dual Control
Front DerailleurShimano Tiagra, braze-on
Rear DerailleurShimano 105 GS
CranksetTruVativ Elita Triple, 30/39/53 teeth
BB Shell Width68mm English
Rear Cogs9-speed, 12 - 26 teeth
PedalsShimano PD-M505 SPD

Brakes

BrakesAluminum long-reach brakes, Shimano 105 STI Dual Control levers

Cockpit & Contact Points

Headset1 1/8" integrated FSA Orbit ACB
HandlebarAluminum
StemEaston EA50
SaddleSelle Royal Viper
SeatpostGiant composite, 27.2mm diameter

Wheels & Tires

HubsXero XSR-3
RimsXero XSR-3
SpokesStainless steel
Front Tire700 x 25c Michelin Dynamic
Wheel Size700c wheels

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

Published build53/39/30T · 12–26T · 9-speed
Lowest1.15:1 Highest4.42:1 Total range383%
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Parts & serviceability

Find replacement parts

Original specifications
Front tire · Original
700 x 25c Michelin Dynamic
Pedals · Original
Shimano PD-M505 SPD
Saddle · Original
Selle Royal Viper
More parts (6)
Front derailleur · Original
Shimano Tiagra, braze-on Search: Shimano Tiagra 9-speed mechanical front derailleur
Rear derailleur · Original
Shimano 105 GS Search: Shimano 105 9-speed mechanical rear derailleur
Shifters · Original
Shimano 105 STI Dual Control Search: Shimano 105 9-speed mechanical shifter
Stem · Original
Easton EA50
Seatpost · Original
Giant composite, 27.2mm diameter
Headset · Original
1 1/8" integrated FSA Orbit ACB

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases.

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Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
0 of 19 checked Progress stays in this browser for this bike.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2005 Giant OCR Composite 3 · Road race & triathlon · Published sizes: XS, S, M, L, XL

Archived: Frame: Bonded · Fork: FormulaOne · Carbon fiber/aluminum steerer, aero crown

Archived: Group: Road Mix Triple · Shifters: Shimano 105 STI Dual Control · Front derailleur: Shimano Tiagra, braze-on · Rear derailleur: Shimano 105 GS · Crankset: TruVativ Elita Triple, 30/39/53 teeth · Rear cogs: 9-speed, 12 - 26 teeth

Archived: Brakes: Aluminum long-reach brakes, Shimano 105 STI Dual Control levers

Archived: Wheel size: 700c wheels · Rims: Xero XSR-3 · Hubs: Xero XSR-3 · Front tire: 700 x 25c Michelin Dynamic

Controls and contact points

Archived: Headset: 1 1/8" integrated FSA Orbit ACB · Handlebar: Aluminum · Stem: Easton EA50 · Seatpost: Giant composite, 27.2mm diameter · Saddle: Selle Royal Viper · Pedals: Shimano PD-M505 SPD

Before and during the test ride

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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