Estimate uses the published front tire 26×2.1 as a proxy, corroborated by the wheel size. Rear tire size is not published or verified. Approximate circumference; actual rollout varies with tire and pressure. Theoretical, not a maximum achievable speed.
Velopedia Bicycle Archive
2007 Specialized Hardrock Sport Disc
Original specifications: Shimano Acera · 8-speed · mechanical rear derailleur · 26" wheels.
Selling this bike? Create a shareable bike record
At a glance
- Model year
- 2007
- Category
- Mountain
- Original MSRP
- $500.00
- Sizes
- XS, S, M, L, XL
- Colors
- Silver Distressed, Organic, Black Distressed
- In this record
- 26 specifications · archived image · original MSRP
- Archive ID
- 16601
Model history 6 other years
Original buildSpecialized ORE A1 Aluminum · Mountain Mix · 26" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | Specialized ORE A1 Aluminum |
| Fork | RST Gila Plus T7, 100mm |
| Fork Material | Steel/aluminum, single crown |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Shimano EF-50 |
| Front Derailleur | Shimano Acera |
| Rear Derailleur | Shimano Acera |
| Crankset | TruVativ ISO Flow 3.0, 22/32/42 teeth |
| Bottom Bracket | TruVativ Power Spline, 113mm spindle |
| BB Shell Width | 68mm |
| Rear Cogs | 8-speed, 11 - 32 teeth |
| Chain | Shimano CN-HG50 |
| Pedals | Steel cage, plastic body |
Brakes
| Brakes | Shimano BR-M415 w/6" rotor brakes, Shimano EF-50 levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless |
|---|---|
| Handlebar | Alloy riser |
| Handlebar Extensions | Not included |
| Stem | Specialized |
| Saddle | Specialized Body Geometry ATB |
| Seatpost | Alloy micro adjust, 30.9mm diameter |
Wheels & Tires
| Hubs | Front: Shimano HB-M65L Centerlock disc, Rear: Shimano FH-M65L Centerlock disc |
|---|---|
| Rims | Specialized/Alex HRD 26, 36-hole |
| Spokes | Stainless steel, 14ga. (2.0mm) straight gauge |
| Front Tire | 26 x 2.10" Specialized Resolution |
| Wheel Size | 26" 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
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.
Bike-specific inspection checklist 21 checks based on 6 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 Hardrock Sport Disc · Mountain bike, front suspension · Published sizes: XS, S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: RST Gila Plus T7, 100mm · Steel/aluminum, single crown
Suspension
Evaluate the suspension →Archived: Fork: RST Gila Plus T7, 100mm
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Shimano EF-50 · Front derailleur: Shimano Acera · Rear derailleur: Shimano Acera · Crankset: TruVativ ISO Flow 3.0, 22/32/42 teeth · Bottom bracket: TruVativ Power Spline, 113mm spindle · Rear cogs: 8-speed, 11 - 32 teeth · Chain: Shimano CN-HG50
Brakes
Inspect the brakes →Archived: Brakes: Shimano BR-M415 w/6" rotor brakes, Shimano EF-50 levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Specialized/Alex HRD 26, 36-hole · Hubs: Front: Shimano HB-M65L Centerlock disc, Rear: Shimano FH-M65L Centerlock disc · Front tire: 26 x 2.10" Specialized Resolution
Controls and contact points
Archived: Headset: 1 1/8" threadless · Handlebar: Alloy riser · Stem: Specialized · Seatpost: Alloy micro adjust, 30.9mm diameter · Saddle: Specialized Body Geometry ATB · Pedals: Steel cage, plastic body
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.
This archive record has limited published detail. Share what would help another rider understand how this model fit, rode and held up over time. Velopedia reviews every contribution before publication.
Already contributed? Send me a fresh private edit link
For privacy, Velopedia shows the same confirmation whether or not an experience exists.
Checking current listings…
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.




