Velopedia Bicycle Archive

2005 Giant OCR Composite 2

Original specifications: Shimano Ultegra Triple drivetrain · 700c wheels.

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At a glance

Model year
2005
Category
Road
Original MSRP
$2,000.00
Sizes
XS, S, M, L, XL
Colors
Composite/Blue
In this record
23 specifications · archived image · original MSRP
Archive ID
93025
Model history 1 other year
Original buildFormulaOne composite · Shimano Ultegra 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/Blue

Frameset

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

Drivetrain

Component GroupShimano Ultegra Triple
ShiftersShimano Ultegra STI Dual Control
Front DerailleurShimano Ultegra, braze-on
Rear DerailleurShimano Ultegra GS
CranksetTruVativ Rouleur GXP, 30/39/53 teeth
BB Shell Width68mm English
Rear Cogs9-speed, 12 - 25 teeth
PedalsShimano PD-M520 SPD

Brakes

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

Cockpit & Contact Points

Headset1 1/8" integrated FSA Orbit ACB
HandlebarEaston EA50
StemEaston EA50
SaddleFi'zi:k Vitesse Twin Tech Ti
SeatpostGiant composite, 27.2mm diameter

Wheels & Tires

HubsShimano WH-R550
RimsShimano WH-R550
SpokesStainless steel
Front Tire700 x 25c Michelin Pro Race
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 · 12–25T · 9-speed
Lowest1.20:1 Highest4.42:1 Total range368%
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Parts & serviceability

Find replacement parts

Original specifications
Front tire · Original
700 x 25c Michelin Pro Race
Pedals · Original
Shimano PD-M520 SPD
Front derailleur · Original
Shimano Ultegra, braze-on Search: Shimano Ultegra 9-speed mechanical front derailleur
More parts (6)
Rear derailleur · Original
Shimano Ultegra GS Search: Shimano Ultegra 9-speed mechanical rear derailleur
Shifters · Original
Shimano Ultegra STI Dual Control Search: Shimano Ultegra 9-speed mechanical shifter
Handlebar · Original
Easton EA50
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 2 · Road race & triathlon · Published sizes: XS, S, M, L, XL

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

Archived: Group: Shimano Ultegra Triple · Shifters: Shimano Ultegra STI Dual Control · Front derailleur: Shimano Ultegra, braze-on · Rear derailleur: Shimano Ultegra GS · Crankset: TruVativ Rouleur GXP, 30/39/53 teeth · Rear cogs: 9-speed, 12 - 25 teeth

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

Archived: Wheel size: 700c wheels · Rims: Shimano WH-R550 · Hubs: Shimano WH-R550 · Front tire: 700 x 25c Michelin Pro Race

Controls and contact points

Archived: Headset: 1 1/8" integrated FSA Orbit ACB · Handlebar: Easton EA50 · Stem: Easton EA50 · Seatpost: Giant composite, 27.2mm diameter · Saddle: Fi'zi:k Vitesse Twin Tech Ti · Pedals: Shimano PD-M520 SPD

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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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