Velopedia Bicycle Archive
2007 Specialized Sirrus LTD
Original specifications: Shimano Ultegra drivetrain · 700c wheels.
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At a glance
- Model year
- 2007
- Category
- City & Commuter
- In this record
- 25 specifications · archived image
- Archive ID
- 16658
Model history 2 other years
Original buildSpecialized FACT 9M Az1 monocoque carbon · Shimano Ultegra · 700c wheels
Frameset
| Frame Construction | Bonded/monocoque |
|---|---|
| Frame Material | Specialized FACT 9M Az1 monocoque carbon |
| Fork | Specialized FACT monocoque |
| Fork Material | Carbon/aluminum steerer, aero crown |
Drivetrain
| Component Group | Shimano Ultegra |
|---|---|
| Shifters | Shimano R770 |
| Front Derailleur | Shimano Ultegra |
| Rear Derailleur | Shimano Ultegra |
| Crankset | FSA SL-K, 30/39/50 teeth |
| Bottom Bracket | FSA MegaEXO |
| Rear Cogs | 1-speed, 12 - 27 teeth |
| Chain | Shimano 105 |
| Pedals | Crank Brothers Smarty |
Brakes
| Brakes | Avid Juicy 7 front/Avid Single-Digit 7 rear brakes, Tektro Eclipse levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" integrated Specialized Mindset Plus Carbon |
|---|---|
| Handlebar | S-Works FACT carbon flat |
| Handlebar Extensions | Not included |
| Stem | Specialized Comp-Set |
| Saddle | Body Geometry Avatar |
| Seatpost | Specialized Pavé, 27.2mm diameter |
Wheels & Tires
| Hubs | Specialized alloy |
|---|---|
| Rims | Mavic Open Pro, 28-hole |
| Spokes | DT Swiss stainless steel, 14ga. (2.0mm) straight gauge |
| Front Tire | 700 x 28c Specialized All Condition Pro |
| Wheel Size | 700c wheels |
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts

Vittoria Corsa Pro Control G2.0 Tubeless Tire Set Gumwall/Black, 700x28
700x28
Replacement option · verify fit

Challenge Strada Pro Tubeless Tire Black, 700x28
700x28
Replacement option · verify fit
More parts (4)

Cervelo SP19 Carbon Seatpost Black, 27.2mm, 0mm offset, 350mm long
27.2mm, 0mm offset, 350mm long
Replacement option · verify fit
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
Bike-specific inspection checklist 18 checks based on 5 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2007 Specialized Sirrus LTD · City/commuter
Frame and fork
Inspect the frame and fork →Archived: Frame: Bonded/monocoque · Fork: Specialized FACT monocoque · Carbon/aluminum steerer, aero crown
Drivetrain
Check drivetrain wear →Archived: Group: Shimano Ultegra · Shifters: Shimano R770 · Front derailleur: Shimano Ultegra · Rear derailleur: Shimano Ultegra · Crankset: FSA SL-K, 30/39/50 teeth · Bottom bracket: FSA MegaEXO · Rear cogs: 1-speed, 12 - 27 teeth · Chain: Shimano 105
Brakes
Inspect the brakes →Archived: Brakes: Avid Juicy 7 front/Avid Single-Digit 7 rear brakes, Tektro Eclipse levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c wheels · Rims: Mavic Open Pro, 28-hole · Hubs: Specialized alloy · Front tire: 700 x 28c Specialized All Condition Pro
Controls and contact points
Archived: Headset: 1 1/8" integrated Specialized Mindset Plus Carbon · Handlebar: S-Works FACT carbon flat · Stem: Specialized Comp-Set · Seatpost: Specialized Pavé, 27.2mm diameter · Saddle: Body Geometry Avatar · Pedals: Crank Brothers Smarty
Before and during the test ride
Follow the full used-bike inspection order →Have you owned this bike?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.





