Velopedia Bicycle Archive

2006 Specialized Hardrock Sport Disc

Original specifications: SRAM SX · 8-speed · mechanical rear derailleur · 26" wheels.

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At a glance

Model year
2006
Category
Mountain
Original MSRP
$500.00
Sizes
XS, S, M, L, XL, XXL
In this record
27 specifications · archived image · original MSRP
Archive ID
11843
Model history 6 other years
Original buildA1 Premium Aluminum · SRAM Mix · 26" wheels

Historical catalog variants

Archived sizes and colors

6 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

XSSMLXLXXL
View 6 archived size/color combinations
SizeColor
XS—
S—
M—
L—
XL—
XXL—

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

Frameset

Frame ConstructionTIG-welded
Frame MaterialA1 Premium Aluminum
ForkRST Gilla Plus-T6, 100mm
Fork MaterialSteel/aluminum, single crown

Drivetrain

Component GroupSRAM Mix
ShiftersSRAM SX-4 trigger, 8-speed
Front DerailleurSRAM 3.0, 34.9mm clamp, top swing, botttom pull
Rear DerailleurSRAM SX-4, 8-speed, mid cage
CranksetTruvative X-Flow, Power Spline, alloy, capless bolts, 22t/32t heat treated Cro-Mo/42t Cro-Mo teeth
Bottom BracketTruvativ Power Spline, 113mm spindle
BB Shell Width68mm English
Rear Cogs9-speed, 11 - 32 teeth
ChainShimano CN-IG31
PedalsDual sided, composite body, steel cage, toe clip compatible

Brakes

BrakesTektro IO, mechanical disc, 6" rotor brakes, Tektro RS-360 levers

Cockpit & Contact Points

Headset1 1/8" threadless, sealed ball retainer
HandlebarAlloy, 38mm rise, 6 degree upsweep, 8 degree sweep, 640mm width
Handlebar ExtensionsNot included
StemSpecialized Mobius, alloy, 10 degree rise
SaddleSpecialized Specialized Body Geometry Sport ATB
SeatpostAlloy micro adjust, 30.9mm diameter

Wheels & Tires

HubsFront: Joy-Tech, disc, ground race double sealed loose ball w/ alloy QR, Rear: Joy-Tech, disc cassette, ground race double sealed loose ball
RimsAlex DP-20 disc, 36-hole
SpokesStainless steel, 14ga. (2.0mm) straight gauge
Spoke NipplesBrass nipples
Front Tire26 x 2.20" Specialized Enduro Sport, wire bead
Wheel Size26" wheels

Gearing

Chainring ÷ rear sprocket

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

RPM
Theoretical speed from published tire dimensions; see the evidence note below.
Published build42/32/22T · 11–32T
Lowest0.69:1 Highest3.82:1 Total range555%
Estimated speed Lowest gear4.9 mph Highest gear27.0 mph

Estimate uses the published front tire 26×2.2 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.

Campaign

Parts & serviceability

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Original specifications
Chain · Original
Shimano CN-IG31

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
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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: 2006 Specialized Hardrock Sport Disc · Mountain bike, front suspension · Published sizes: XS, S, M, L, XL, XXL

Archived: Frame: TIG-welded · Fork: RST Gilla Plus-T6, 100mm · Steel/aluminum, single crown

Archived: Fork: RST Gilla Plus-T6, 100mm

Archived: Group: SRAM Mix · Shifters: SRAM SX-4 trigger, 8-speed · Front derailleur: SRAM 3.0, 34.9mm clamp, top swing, botttom pull · Rear derailleur: SRAM SX-4, 8-speed, mid cage · Crankset: Truvative X-Flow, Power Spline, alloy, capless bolts, 22t/32t heat treated Cro-Mo/42t Cro-Mo teeth · Bottom bracket: Truvativ Power Spline, 113mm spindle · Rear cogs: 9-speed, 11 - 32 teeth · Chain: Shimano CN-IG31

Archived: Brakes: Tektro IO, mechanical disc, 6" rotor brakes, Tektro RS-360 levers

Archived: Wheel size: 26" wheels · Rims: Alex DP-20 disc, 36-hole · Hubs: Front: Joy-Tech, disc, ground race double sealed loose ball w/ alloy QR, Rear: Joy-Tech, disc cassette, ground race double sealed loose ball · Front tire: 26 x 2.20" Specialized Enduro Sport, wire bead

Controls and contact points

Archived: Headset: 1 1/8" threadless, sealed ball retainer · Handlebar: Alloy, 38mm rise, 6 degree upsweep, 8 degree sweep, 640mm width · Stem: Specialized Mobius, alloy, 10 degree rise · Seatpost: Alloy micro adjust, 30.9mm diameter · Saddle: Specialized Specialized Body Geometry Sport ATB · Pedals: Dual sided, composite body, steel cage, toe clip compatible

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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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