Velopedia Bicycle Archive

2011 Specialized Hardrock Sport Disc

Original specifications: Mountain Mix drivetrain · 26" wheels.

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At a glance

Model year
2011
Category
Mountain
Sizes
13", 15.5", 17.5", 19", 21", 23"
Colors
Blk/Wht, Red/Blk
In this record
27 specifications · archived image
Archive ID
21992
Model history 6 other years
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Historical catalog variants

Archived sizes and colors

12 item records

Item-level catalog entries recovered from Velopedia’s original bicycle archive. They document how this model was listed historically; they do not identify the frame size associated with legacy reference geometry or indicate current availability.

Published sizes

13"15.5"17.5"19"21"23"

Published colors

Blk/WhtRed/Blk
View 12 archived size/color combinations
SizeColor
13"Blk/Wht
15.5"Blk/Wht
17.5"Blk/Wht
19"Blk/Wht
21"Blk/Wht
23"Blk/Wht
13"Red/Blk
15.5"Red/Blk
17.5"Red/Blk
19"Red/Blk
21"Red/Blk
23"Red/Blk

Historical catalog evidence. Exact specifications and naming may vary by market, production run or manufacturer revision.

Frameset

Frame ConstructionTIG-welded
Frame MaterialSpecialized A1 Premium Aluminum
ForkSR Suntour SF11, 80mm
Fork MaterialSingle

Drivetrain

Component GroupMountain Mix
ShiftersSRAM X.4 trigger
Front DerailleurShimano Atlus, 34.9mm clamp
Rear DerailleurSRAM X.4
CranksetSR Suntour, 22/32/42 teeth
Bottom BracketShimano BB ES25 Octalink, 118mm spindle
BB Shell Width68mm
CassetteSRAM PG-820
Rear Cogs8-speed, 11 - 32 teeth
ChainKMC X8
PedalsComposite platform

Brakes

BrakesAvid BB5 mechanical disc brakes, Alloy levers

Cockpit & Contact Points

Headset1 1/8" threadless
HandlebarAlloy Riserbar
Handlebar ExtensionsNot included
Stem3D Forged Alloy
SaddleSpecialized XC
SeatpostTwo-bolt Alloy Micro-Adjust, 30.9mm diameter

Wheels & Tires

HubsFront: Forged alloy hi/low flange, Rear: Forged alloy mid flange
RimsAlex RHD 26", 32-hole
SpokesStainless, 14ga. (2.0mm) butted
Front Tire26 x 2.0" Specialized Fast Track LK Sport
Wheel Size26" wheels

Published drivetrain ratios

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

Published build42/32/22T · 11–32T · 8-speed
Lowest0.69:1 Highest3.82:1 Total range555%

The bar uses the same mechanical-ratio calculation as Compare. Wheel-dependent speed appears only when the record includes an exact ISO/ETRTO rear tire size; no tire size is assumed.

Parts & serviceability

Find replacement parts

3 top part searches
ChainMatching fit standard
KMC X8 Exact archived model
CassetteExact archived part
SRAM PG-820 Exact archived model
Front tireMatching fit standard
26x2.0" Specialized Fast Track LK Sport Named tire and published size
More qualified parts (3)
Bottom bracketQualified part search
Shimano BB ES25 Octalink, 118mm spindle Named archived component — verify dimensions
SeatpostMatching fit standard
30.9 mm seatpost Published diameter — verify length and setback
RimsQualified part search
Alex RHD 26", 32-hole Named archived component — verify dimensions

Searches use the archived manufacturer specification, not the components currently installed on a particular bicycle. Confirm the exact model, size and fit before ordering. 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. Commercial relationships do not influence Archive specifications or analysis.

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Bike-specific inspection checklist 20 checks based on 6 archived component groups Open checklistClose checklist
0 of 20 checked Progress stays in this browser for this bike.

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.

Archived: 2011 Specialized Hardrock Sport Disc · Mountain bike, front suspension · Published sizes: 13", 15.5", 17.5", 19", 21", 23"

Archived: Frame: TIG-welded · Fork: SR Suntour SF11, 80mm · Single

Archived: Fork: SR Suntour SF11, 80mm

Archived: Group: Mountain Mix · Shifters: SRAM X.4 trigger · Front derailleur: Shimano Atlus, 34.9mm clamp · Rear derailleur: SRAM X.4 · Crankset: SR Suntour, 22/32/42 teeth · Bottom bracket: Shimano BB ES25 Octalink, 118mm spindle · Cassette: SRAM PG-820 · Rear cogs: 8-speed, 11 - 32 teeth · Chain: KMC X8

Archived: Brakes: Avid BB5 mechanical disc brakes, Alloy levers

Archived: Wheel size: 26" wheels · Rims: Alex RHD 26", 32-hole · Hubs: Front: Forged alloy hi/low flange, Rear: Forged alloy mid flange · Front tire: 26 x 2.0" Specialized Fast Track LK Sport

Controls and contact points

Archived: Headset: 1 1/8" threadless · Handlebar: Alloy Riserbar · Stem: 3D Forged Alloy · Seatpost: Two-bolt Alloy Micro-Adjust, 30.9mm diameter · Saddle: Specialized XC · Pedals: Composite platform

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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