Lowest0.94:1
Highest4.82:1
Total range514%
Estimated speed At 90 RPM
Lowest gear
Highest gear
Uses front tire 26×1.5; rear size isn’t listed.
Velopedia Bicycle Archive
2007 Co-Motion PeriScope Trident Convertible
Original specifications: Shimano Deore XT · 9-speed · mechanical rear derailleur · 26" wheels.
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No archive photo is available for this record.
At a glance
Archive #96504- Model year
- 2007
- Category
- Tandem
- Original MSRP
- $6,050.00
- Sizes
- S, L
- Colors
- Choice of 30 standard PPG
- In this record
- 25 specifications · original MSRP
Original buildCo-Motion zonally-butted tandem tubing with S+S coupler for tandem/triple c · Tandem Mix · 26" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | Co-Motion zonally-butted tandem tubing with S+S coupler for tandem/triple c |
| Fork | Co-Motion |
| Fork Material | Chromoly, aero crown |
Drivetrain
| Component Group | Tandem Mix |
|---|---|
| Shifters | Shimano 105 STI |
| Front Derailleur | Shimano Tiagra Triple |
| Rear Derailleur | Shimano XT |
| Crankset | FSA Gossamer Mega Exo, 30/42/53 teeth |
| Bottom Bracket | FSA Mega EXO |
| Rear Cogs | 9-speed, 11 - 32 teeth |
| Chain | KMC X9 |
| Pedals | Not included |
Brakes
| Brakes | Avid BB-7 disc front/Avid BB-7 disc rear brakes, Shimano 105 STI levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless FSA Orbit X |
|---|---|
| Handlebar | FSA RD-300 |
| Handlebar Extensions | Not included |
| Stem | FSA OS-150 |
| Saddle | Selle Royale Dardo |
| Seatpost | Kalloy Seraph, 29.8mm diameter |
Wheels & Tires
| Hubs | DT Hugi |
|---|---|
| Rims | Velocity Aerohead |
| Spokes | DT Swiss, 14ga. (2.0mm) |
| Front Tire | 26 x 1.50" Schwalbe Marathon Racer |
| Wheel Size | 26" wheels |
No specifications match. Try a component name or clear your search.
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
26 x 1.50" Schwalbe Marathon Racer
Schwalbe Marathon Racer on eBaySponsored links
FSA Mega EXO
More parts (8)Fewer parts
FSA Gossamer Mega Exo
30/42/53 teeth
Shimano Tiagra Triple
Shimano XT
Shimano 105 STI
FSA OS-150
Kalloy Seraph
29.8mm diameter
1 1/8" threadless FSA Orbit X
Velocity Aerohead
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
- 26 x 1.50" Schwalbe Marathon Racer
- Drivetrain
- 9-speed
- Seatpost diameter
- 29.8 mm
- Bottom bracket / shell
- FSA Mega EXO
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 · Chromoly, aero crown
Drivetrain
Check drivetrain wear →Archived: Group: Tandem Mix · Shifters: Shimano 105 STI · Front derailleur: Shimano Tiagra Triple · Rear derailleur: Shimano XT · Crankset: FSA Gossamer Mega Exo, 30/42/53 teeth · Bottom bracket: FSA Mega EXO · Rear cogs: 9-speed, 11 - 32 teeth · Chain: KMC X9
Brakes
Inspect the brakes →Archived: Brakes: Avid BB-7 disc front/Avid BB-7 disc rear brakes, Shimano 105 STI levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Velocity Aerohead · Hubs: DT Hugi · Front tire: 26 x 1.50" Schwalbe Marathon Racer
Controls and contact points
Archived: Headset: 1 1/8" threadless FSA Orbit X · Handlebar: FSA RD-300 · Stem: FSA OS-150 · Seatpost: Kalloy Seraph, 29.8mm diameter · Saddle: Selle Royale Dardo · 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.