Velopedia Bicycle Archive

1998 Co-Motion Expresso (01)

Original specifications: Shimano 600 Ultegra Triple drivetrain · legacy reference geometry.

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At a glance

Archive #70839

Model year: 1998
Category: Folding
Original MSRP: $2,550.00
Sizes: 50 cm, 52 cm, 54 cm, 55 cm, 57 cm, 58 cm, 59 cm, 60 cm, 62 cm
Colors: Bad Ass Red, Dark Charcoal Metallic, Dark Jade Green Metallic, Dark Maroon Metallic, Sapphire Blue
Geometry: Legacy reference
In this record: 14 specifications · original MSRP · geometry

Original buildReynolds 853 · Shimano 600 Ultegra Triple

Manufacturer catalog

Published sizes and colors

9 sizes · 5 colors

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

Published sizes

50 cm52 cm54 cm55 cm57 cm58 cm59 cm60 cm62 cm

Published colors

Bad Ass RedDark Charcoal MetallicDark Jade Green MetallicDark Maroon MetallicSapphire Blue

+ 0 more colors + 1 more color

Sapphire Blue

Frameset

Frame Construction	TIG-welded
Frame Material	Reynolds 853
Fork	Wound Up
Fork Material	Carbon fiber composite, aero crown

Drivetrain

Component Group	Shimano 600 Ultegra Triple
Shifters	Shimano 600 Ultegra STI Dual Control
Front Derailleur	Shimano 600 Ultegra, bottom-pull/braze-on
Rear Derailleur	Shimano 600 Ultegra
Crankset	Shimano 600 Ultegra Triple, 30/42/52 teeth
Rear Cogs	9-speed, 12 - 23 teeth
Chain	1/2 x 3/32"

Brakes

Brakes	Shimano 600 Ultegra Dual Pivot brakes, Shimano 600 Ultegra levers

Cockpit & Contact Points

Stem	Cro-Motion

Wheels & Tires

Hubs	Shimano 600 Ultegra

Geometry

Legacy reference · 4 measurements

Historical measurements. Frame size unknown.

All geometry measurementsLegacy reference · 4 measurements

Measurement	Legacy reference
Top tube	565 mm
Head-tube angle	73.5°
Seat-tube angle	73°
Chainstay / rear center	412 mm

Frame size not recorded.

Gearing

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

All published sizes52/42/30T · 12–23T · 9-speed

Lowest1.30:1 Highest4.33:1 Total range332%

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

Find replacement parts

Original specifications

Crankset · Original

Shimano 600 Ultegra Triple

30/42/52 teeth

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Rear derailleur · Original

Shimano 600 Ultegra

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Shifters · Original

Shimano 600 Ultegra STI Dual Control

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More parts (1)Fewer parts

Hubs · Original

Shimano 600 Ultegra

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Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission.

Parts and service referenceQuick reference before buying parts

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

Drivetrain: 9-speed

Equipment inspection checks 6 checks based on 3 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: Wound Up · Carbon fiber composite, aero crown

Check paint damage, vent holes and accessible internal surfaces for corrosion. Look for dents, bent tubes and cracking around welded or brazed joints.
Inspect the fork crown, blades, dropouts and visible steerer area. Check that it is straight, securely installed and free of cracks or impact damage.

Drivetrain

Check drivetrain wear →

Archived: Group: Shimano 600 Ultegra Triple · Shifters: Shimano 600 Ultegra STI Dual Control · Front derailleur: Shimano 600 Ultegra, bottom-pull/braze-on · Rear derailleur: Shimano 600 Ultegra · Crankset: Shimano 600 Ultegra Triple, 30/42/52 teeth · Rear cogs: 9-speed, 12 - 23 teeth · Chain: 1/2 x 3/32"

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: Shimano 600 Ultegra Dual Pivot brakes, Shimano 600 Ultegra levers

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

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

1998 Co-Motion Expresso (01)