Velopedia Bicycle Archive

2006 Specialized Rockhopper Comp Disc

Mountain bike, front suspension bicycle from the Velopedia specification archive.

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Original MSRP
$880.00
Sizes
13", 15", 17", 19", 21"
Archive ID
11859

Current market

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Velopedia analysis

What the specifications mean

Derived from the archived manufacturer recordHow Velopedia reads these specifications →

The fork provides the documented suspension, so fork setup and rear-tire pressure are the main adjustments for balancing the two ends of the bike. The 309% cassette range describes the available gearing more clearly than the component-group name alone. Cable-actuated disc brakes keep adjustment mechanical, with cable condition and caliper alignment added to ordinary pad and rotor inspection.

Suspension setup Front only Fork settings affect the front while rear-wheel behavior remains dependent on tire and wheel setup.
Gearing 309% cassette range Calculated from the published 11–34-tooth sprocket span.
Brake service Cable-actuated disc Cable condition, caliper alignment, pads and rotors remain the central service points.
Frame material Aluminum / alloy Dents and cracking around welds at the head tube, bottom bracket shell and dropouts deserve attention.

Used-bike inspection

If you’re buying this bike used

Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.

Follow the full used-bike inspection order →
  • FrameLook closely for dents and hairline cracks around welds, the head tube and bottom-bracket area. Cosmetic scratches matter less than a change in shape or a crack line.Inspect the frame and fork →
  • BrakesMake sure both cables move freely and the calipers release cleanly. Check pad thickness, rotor wear and rotor alignment.Inspect the brakes →
  • SuspensionAsk when the fork was last serviced. Check the stanchions for damage, look for oil at the seals and make sure the fork moves smoothly without bushing play.Evaluate the suspension →
  • DrivetrainShift through every gear under light load and measure chain wear. Confirm that the shifter, derailleur, chain and cassette belong to the same 9-speed system.Check drivetrain wear →
  • Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads.Check wheels and tires →
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: 2006 Specialized Rockhopper Comp Disc · Mountain bike, front suspension · Published sizes: 13", 15", 17", 19", 21"

Archived: Frame: TIG-welded · Fork: RockShox Tora 318 SL, 100mm · Magnesium/aluminum/steel, single crown

Archived: Fork: RockShox Tora 318 SL, 100mm

Archived: Group: Mountain Mix · Shifters: Shimano Deore SL, 9-speed · Front derailleur: Shimano Deore, 34.9mm clamp, top swing, bottom pull · Rear derailleur: Shimano LX, long cage · Crankset: Truvativ 5D w/alloy outer ring, 22t/32t heat treated Cro-Mo/44t 7075 aluminum teeth · Bottom bracket: TruVativ Power Spline, 113mm spindle · Rear cogs: 9-speed, 11 - 34 teeth · Chain: SRAM PC-951 with Power Link

Archived: Brakes: Avid BB-5, mechanical disc with 6" Roundagon rotor brakes, Avid FR-5 levers

Archived: Wheel size: 26" wheels · Rims: SUN DS2 disc, 32-hole · Hubs: Front: Specialized disc, double sealed w/alloy QR, Rear: Shimano 475, w/ Shimano QR · Front tire: 26 x 2.00" Specialized Adrenaline Pro, aramid bead

Controls and contact points

Archived: Headset: 1 1/8" threadless, sealed ball retainer · Handlebar: Alloy, 25mm XC rise, double-butted, 6 degree upsweep, 8 degree sweep, 640mm · Stem: Alloy A-head forged and tig weldeded w/ four bolt clamp · Seatpost: Alloy micro adjust, 30.9mm diameter · Saddle: Specialized BGSport MTB, light weight foam · Pedals: Alloy 1pc body and cage

Before and during the test ride

Follow the full used-bike inspection order →

Interpretation based on the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.

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Historical catalog variants

Archived sizes and colors

5 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"17"19"21"
View 5 archived size/color combinations
SizeColor
13"
15"
17"
19"
21"

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

Frameset

Frame ConstructionTIG-welded
Frame MaterialA1 Premium Aluminum
ForkRockShox Tora 318 SL, 100mm
Fork MaterialMagnesium/aluminum/steel, single crown
Rear ShockN/A

Drivetrain

Component GroupMountain Mix
ShiftersShimano Deore SL, 9-speed
Front DerailleurShimano Deore, 34.9mm clamp, top swing, bottom pull
Rear DerailleurShimano LX, long cage
CranksetTruvativ 5D w/alloy outer ring, 22t/32t heat treated Cro-Mo/44t 7075 aluminum teeth
Bottom BracketTruVativ Power Spline, 113mm spindle
BB Shell Width68mm English
Rear Cogs9-speed, 11 - 34 teeth
ChainSRAM PC-951 with Power Link
PedalsAlloy 1pc body and cage

Brakes

BrakesAvid BB-5, mechanical disc with 6" Roundagon rotor brakes, Avid FR-5 levers

Cockpit & Contact Points

Headset1 1/8" threadless, sealed ball retainer
HandlebarAlloy, 25mm XC rise, double-butted, 6 degree upsweep, 8 degree sweep, 640mm
Handlebar ExtensionsNot included
StemAlloy A-head forged and tig weldeded w/ four bolt clamp
SaddleSpecialized BGSport MTB, light weight foam
SeatpostAlloy micro adjust, 30.9mm diameter

Wheels & Tires

HubsFront: Specialized disc, double sealed w/alloy QR, Rear: Shimano 475, w/ Shimano QR
RimsSUN DS2 disc, 32-hole
SpokesStainless steel, 15ga. (1.8mm) straight gauge
Spoke NipplesBrass nipples
Front Tire26 x 2.00" Specialized Adrenaline Pro, aramid bead
Wheel Size26" wheels

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

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