Velopedia Bicycle Archive

2004 Cervelo One

Original specifications: Shimano 105 drivetrain.

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At a glance

Archive #31425

Model year: 2004
Category: Road
Original MSRP: $1,299.00
Sizes: 48cm, 51cm, 54cm, 56cm, 58cm, 61cm
Colors: Black/Yellow
In this record: 19 specifications · archived image · original MSRP

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Identification clues

2004 archived details

Published colors: Black/Yellow
Frame: TrueAero Smart Wall
Original equipment: Shimano 105

Clues, not proof of model year. Colors vary and components may have been replaced.

Original buildTrueAero Smart Wall · Shimano 105

Manufacturer catalog

Published sizes and colors

6 sizes · 1 color

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

Published sizes

48cm51cm54cm56cm58cm61cm

Published colors

Black/Yellow

Frameset

Frame Construction	TIG-welded
Frame Material	TrueAero Smart Wall
Fork Material	Carbon fiber

Drivetrain

Component Group	Shimano 105
Shifters	Shimano 105 STI Dual Control
Front Derailleur	Shimano 105
Rear Derailleur	Shimano 105
Crankset	FSA Gossamer, 39/53 teeth
Bottom Bracket	Shimano BB-5500
Rear Cogs	9-speed, 12 - 25 teeth
Chain	Shimano CN-HG53

Brakes

Brakes	Cervelo brakes, Shimano 105 levers

Cockpit & Contact Points

Headset	1" FSA Orbit
Handlebar	3T T.H.E.
Stem	3T T.H.E.
Saddle	Selle Italia Sirius
Seatpost	Aluminum Round

Wheels & Tires

Rims	Ritchey DS Comp
Front Tire	Vittoria Rubino Pro

Gearing

Lower gears help on climbs. Higher gears suit higher speeds.

All published sizes53/39T · 12–25T · 9-speed

Lowest1.56:1 Highest4.42:1 Total range283%

Speed unavailable: wheel or tire size is missing or unclear.

Add your rear tire size to calculate speed

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Try your current gearingChanged tires or gears? Calculate your setup.

Your changes apply to this calculation. The archived build stays unchanged.

Gears Drivetrain

Front teeth Smallest rear teeth Largest rear teeth

Use up to three front tooth counts, separated by /. For one rear sprocket, enter the same count twice.

Rear tire

Rear tire marking

Apply the marking on your rear tire or edit its dimensions below. Older or fractional inch sizes need the ISO marking (e.g. 37-590).

Rim diameter (BSD, mm) Tire width (mm)

For 32-622, width is 32 mm and rim diameter is 622 mm. Use the rear tire on mixed-wheel bikes. Leave both fields empty to compare ratios only.

Cadence (RPM) Speed units

Gear, dimension and cadence changes update results automatically.

Gearing comparison
Measure	Original	Your setup
Lowest ratio	—	—
Highest ratio	—	—
Total range	—	—
Lowest-gear speed	—	—
Highest-gear speed	—	—

Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.

Parts & serviceability

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Original specifications

Chain · Original

Shimano CN-HG53

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Bottom bracket · Original

Shimano BB-5500

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Saddle · Original

Selle Italia Sirius

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More parts (6)Fewer parts

Crankset · Original

FSA Gossamer

39/53 teeth

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Front derailleur · Original

Shimano 105

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Rear derailleur · Original

Shimano 105

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Shifters · Original

Shimano 105 STI Dual Control

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Headset · Original

1" FSA Orbit

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Rims · Original

Ritchey DS Comp

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Parts and service referenceQuick reference before buying parts

Archived specifications for reference. Check the fitted parts before ordering.

Front tire: Vittoria Rubino Pro
Drivetrain: 9-speed
Bottom bracket / shell: Shimano BB-5500

Equipment inspection checks 9 checks based on 5 archived component groups Open equipment checksClose equipment checks

Checks selected from the archived equipment. Confirm what is fitted today. This is not a complete safety inspection; use the full inspection guide before test riding.

Full used-bike inspection guide →

Frame and fork

Inspect the frame and fork →

Archived: Frame: TIG-welded · Fork: · Carbon fiber

Inspect the complete frame for cracks, dents, distortion, heavy abrasion, suspicious paint differences or evidence of a previous repair.

Drivetrain

Check drivetrain wear →

Archived: Group: Shimano 105 · Shifters: Shimano 105 STI Dual Control · Front derailleur: Shimano 105 · Rear derailleur: Shimano 105 · Crankset: FSA Gossamer, 39/53 teeth · Bottom bracket: Shimano BB-5500 · Rear cogs: 9-speed, 12 - 25 teeth · Chain: Shimano CN-HG53

Shift through every available gear under light load. Hesitation, skipping or inconsistent indexing can reflect wear, damage, poor adjustment or mismatched replacement parts.
Measure chain wear with a compatible gauge and inspect chainring, cassette or freewheel teeth. A new chain does not rule out wear in the remaining drivetrain.
Turn the cranks slowly, feel for rough bearings and check for side-to-side play. Inspect crank arms, chainring bolts and pedal threads for looseness or damage.

Brakes

Inspect the brakes →

Archived: Brakes: Cervelo brakes, Shimano 105 levers

Inspect pads and braking surfaces, check the complete cable or hose path, and confirm both controls feel consistent and return cleanly.

Wheels and tires

Check wheels and tires →

Archived: Rims: Ritchey DS Comp · Front tire: Vittoria Rubino Pro

Spin both wheels and watch for side-to-side and vertical movement. Check spoke tension, rim condition and hub play.
Inspect both tire casings for cuts, cracking, plugs, bulges or exposed threads and confirm the installed sizes are safe for the rims and available frame and fork clearance.

Controls and contact points

Archived: Headset: 1" FSA Orbit · Handlebar: 3T T.H.E. · Stem: 3T T.H.E. · Seatpost: Aluminum Round · Saddle: Selle Italia Sirius

Apply the front brake and rock the bike to check for headset play or notchiness. Inspect the stem, handlebar and clamp zones, then confirm every fastener and control is secure.
Check that the seatpost moves for adjustment and that the saddle, post and clamp hold securely without cracks, severe corrosion or damaged hardware.

Have you owned this model?Help document firsthand fit, ride and maintenance details that may no longer be available.

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

2004 Cervelo One