Lowest1.33:1
Highest4.17:1
Total range313%
Estimated speed At 90 RPM
Lowest gear
Highest gear
Uses front tire 700C×32; rear size isn’t listed.
Velopedia Bicycle Archive
2007 Co-Motion Demon (Dura Ace)
Original specifications: Shimano Dura-Ace drivetrain · 700c wheels.
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No archive photo is available for this record.
At a glance
Archive #96472- Model year
- 2007
- Category
- Gravel & Cyclocross
- Original MSRP
- $3,450.00
- Sizes
- Custom
- Colors
- Choice of 30 standard PPG
- In this record
- 25 specifications · original MSRP
Original buildReynolds 853 Steel · Shimano Dura-Ace · 700c wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | Reynolds 853 Steel |
| Fork | Co-Motion Alpha Q CX-20 |
| Fork Material | Carbon fiber, aero crown |
Drivetrain
| Component Group | Shimano Dura-Ace |
|---|---|
| Shifters | Shimano Dura-Ace STI Dual Control |
| Front Derailleur | Shimano Dura-Ace |
| Rear Derailleur | Shimano Dura-Ace |
| Crankset | FSA SL-K MegaExo Compact, 36/50 teeth |
| Bottom Bracket | Shimano Dura-Ace Hollowtech II |
| Rear Cogs | 10-speed, 12 - 27 teeth |
| Chain | KMC X10 |
| Pedals | Not included |
Brakes
| Brakes | Shimano Cantilever brakes, Shimano Dura-Ace STI levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless Chris King Threadless |
|---|---|
| Handlebar | FSA RD-250 |
| Handlebar Extensions | Not included |
| Stem | FSA OS-115 |
| Saddle | Selle Italia SLR |
| Seatpost | Thomson, 27.2mm diameter |
Wheels & Tires
| Hubs | Easton Circuit |
|---|---|
| Rims | Easton Circuit |
| Spokes | Easton |
| Front Tire | 700 x 32c Continental Twister Pro |
| Wheel Size | 700c 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
700 x 32c Continental Twister Pro
Retailer offers
Goodyear Eagle Tubeless Tire Black, 700x32
700x32c
Replacement option
Other replacement options (1)
Challenge Strada Pro Tubeless Tire Tan, 700x32
700x32c
Replacement option
Continental Twister Pro on eBaySponsored links
Thomson
27.2mm diameter
Retailer offers
Race Face Ride XC Seatpost Black, 27.2x375mm
Replacement option
More parts (9)Fewer parts
Shimano Dura-Ace Hollowtech II
Selle Italia SLR
FSA SL-K MegaExo Compact
36/50 teeth
Shimano Dura-Ace
Shimano Dura-Ace
Shimano Dura-Ace STI Dual Control
FSA OS-115
Easton Circuit
Easton Circuit
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 32c Continental Twister Pro
- Drivetrain
- 10-speed
- Seatpost diameter
- 27.2 mm
- Bottom bracket / shell
- Shimano Dura-Ace Hollowtech II
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 Alpha Q CX-20 · Carbon fiber, aero crown
Drivetrain
Check drivetrain wear →Archived: Group: Shimano Dura-Ace · Shifters: Shimano Dura-Ace STI Dual Control · Front derailleur: Shimano Dura-Ace · Rear derailleur: Shimano Dura-Ace · Crankset: FSA SL-K MegaExo Compact, 36/50 teeth · Bottom bracket: Shimano Dura-Ace Hollowtech II · Rear cogs: 10-speed, 12 - 27 teeth · Chain: KMC X10
Brakes
Inspect the brakes →Archived: Brakes: Shimano Cantilever brakes, Shimano Dura-Ace STI levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c wheels · Rims: Easton Circuit · Hubs: Easton Circuit · Front tire: 700 x 32c Continental Twister Pro
Controls and contact points
Archived: Headset: 1 1/8" threadless Chris King Threadless · Handlebar: FSA RD-250 · Stem: FSA OS-115 · Seatpost: Thomson, 27.2mm diameter · Saddle: Selle Italia SLR · Pedals: Not included
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