Lowest1.14:1
Highest4.91:1
Total range430%
Estimated speed At 90 RPM
Lowest gear
Highest gear
Uses front tire 700C×28; rear size isn’t listed.
Velopedia Bicycle Archive
1997 Co-Motion Breve
Original specifications: Co-Motion Breve Group drivetrain · 700c wheels · 39 lb published weight.
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No archive photo is available for this record.
At a glance
Archive #68919- Model year
- 1997
- Category
- Tandem
- Original MSRP
- $2,495.00
- Sizes
- Captain 21"/stoker 18", captain 22"/stoker 19", captain 23"/stoker 20"
- Colors
- Red, Silver
- Weight
- 39 lb
- Geometry
- Legacy reference
- In this record
- 26 specifications · original MSRP · geometry
Model history 1 other year
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Identification clues
1997 archived details
- Published colors
- Red, Silver
- Frame
- Co-Motion Reynolds 531
- Original equipment
- Co-Motion Breve Group
Clues, not proof of model year. Colors vary and components may have been replaced.
Original buildCo-Motion Reynolds 531 · Co-Motion Breve Group · 700c wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | Co-Motion Reynolds 531 |
| Fork | Co-Motion |
| Fork Material | Co-Motion Tange 4130 chromoly, unicrown crown |
Drivetrain
| Component Group | Co-Motion Breve Group |
|---|---|
| Shifters | Shimano 600 Ultegra bar-end |
| Front Derailleur | Sachs Quarz, bottom-pull/clamp-on 31.8 mm |
| Rear Derailleur | Sachs Neos |
| Crankset | Sugino Fuse Tandem, 32/44/54 teeth |
| Bottom Bracket | Shimano BB-UN51, 122.5 mm spindle |
| BB Shell Width | 68mm English |
| Rear Cogs | 8-speed, 11 - 28 teeth |
| Chain | Sachs SC-M55, 1/2 x 3/32" |
| Pedals | Not included |
Brakes
| Brakes | Shimano Deore LX V-Brake brakes, Dia-Compe 287 levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" YST aluminum |
|---|---|
| Handlebar | Profile Hammer |
| Stem | Co-Motion chromoly |
| Saddle | Terry men's/Terry women's |
| Seatpost | Kalloy Uno, 29.8 mm diameter |
Wheels & Tires
| Hubs | Shimano Tandem |
|---|---|
| Rims | Mavic T 217 SUP, 40-hole |
| Spokes | DT stainless steel, 2.0mm straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 700 x 28c Specialized Transition |
| Wheel Size | 700c wheels |
No specifications match. Try a component name or clear your search.
Geometry
Historical measurements. Frame size unknown.
Reference drawing
Size
Measurement
Measurement
—
Select an available measurement to locate it on the frame.
All geometry measurementsLegacy reference · 3 measurements
| Measurement | Legacy reference |
|---|---|
| Top tube | 571.5 mm |
| Head-tube angle | 73° |
| Fork offset / rake | 50 mm |
Frame size not recorded.
Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
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 your current gearingChanged tires or gears? Calculate your setup.
Your changes apply to this calculation. The archived build stays unchanged.
Gearing results
| 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
700 x 28c Specialized Transition
Retailer offers
Vittoria Zaffiro Pro V Clincher Tire Black, 700x28
700x28c
Replacement option
Other replacement options (1)
Specialized SW Mondo 2Bliss Tire Black, 700x28
700x28c
Replacement option
Specialized Transition on eBaySponsored links
Shimano Deore LX V-Brake brakes
Dia-Compe 287 levers
Shimano BB-UN51
122.5 mm spindle
More parts (4)Fewer parts
Shimano 600 Ultegra bar-end
Kalloy Uno
29.8 mm diameter
Mavic T 217 SUP
40-hole
Shimano Tandem
Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.
Parts and service referenceQuick reference before buying parts
Archived specifications for reference. Check the fitted parts before ordering.
- Front tire
- 700 x 28c Specialized Transition
- Drivetrain
- 8-speed
- Seatpost diameter
- 29.8 mm
- Bottom bracket / shell
- Shimano BB-UN51, 122.5 mm spindle · 68mm English
Equipment inspection checks 10 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: Co-Motion · Co-Motion Tange 4130 chromoly, unicrown crown
Drivetrain
Check drivetrain wear →Archived: Group: Co-Motion Breve Group · Shifters: Shimano 600 Ultegra bar-end · Front derailleur: Sachs Quarz, bottom-pull/clamp-on 31.8 mm · Rear derailleur: Sachs Neos · Crankset: Sugino Fuse Tandem, 32/44/54 teeth · Bottom bracket: Shimano BB-UN51, 122.5 mm spindle · Rear cogs: 8-speed, 11 - 28 teeth · Chain: Sachs SC-M55, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Shimano Deore LX V-Brake brakes, Dia-Compe 287 levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c wheels · Rims: Mavic T 217 SUP, 40-hole · Hubs: Shimano Tandem · Front tire: 700 x 28c Specialized Transition
Controls and contact points
Archived: Headset: 1 1/8" YST aluminum · Handlebar: Profile Hammer · Stem: Co-Motion chromoly · Seatpost: Kalloy Uno, 29.8 mm diameter · Saddle: Terry men's/Terry women's · Pedals: Not included
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.