Velopedia Bicycle Archive

2005 Specialized Rockhopper Comp

Original specifications: Shimano Deore LX · 9-speed · mechanical rear derailleur · 26" wheels.

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At a glance

Model year
2005
Category
Mountain
Original MSRP
$800.00
Sizes
13", 15", 17", 19", 21", 23"
Colors
Black
In this record
26 specifications · archived image · original MSRP
Archive ID
10601
Model history 11 other years
Original buildA1 Premium Aluminum · Mountain Mix · 26" wheels

Manufacturer catalog

Published sizes and colors

6 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

13"15"17"19"21"23"

Published colors

Black

Frameset

Frame ConstructionTIG-welded
Frame MaterialA1 Premium Aluminum
ForkManitou Splice Comp, 100mm
Fork MaterialAluminum/magnesium, single crown

Drivetrain

Component GroupMountain Mix
ShiftersShimano Deore
Front DerailleurShimano Deore, bottom-pull/clamp-on 34.9mm
Rear DerailleurShimano Deore LX
CranksetTruVativ Five-D, 22/32/44 teeth
Bottom BracketTruVativ, 118mm spindle
BB Shell Width68mm English
Rear Cogs9-speed, 11 - 34 teeth
ChainShimano CN-HG53, 1/2 x 3/32"
PedalsAluminum platform

Brakes

BrakesShimano M-420 linear pull brakes, Shimano M-420 levers

Cockpit & Contact Points

Headset1 1/8" threadless sealed cartridge
HandlebarAluminum
StemAluminum
SaddleSpecialized BG Sport MTB
SeatpostAluminum micro-adjust

Wheels & Tires

HubsJoytech QR
RimsSun Rims Mach 4, 32-hole
SpokesStainless steel, 15ga. (1.8mm) straight gauge
Spoke NipplesBrass nipples
Front Tire26 x 2.10" Specialized Adrenaline
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.

Published build44/32/22T · 11–34T · 9-speed
Lowest0.65:1 Highest4.00:1 Total range618%
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Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
Shimano CN-HG53, 1/2 x 3/32"
Front tire · Original
26 x 2.10" Specialized Adrenaline
Brake pads · Original
Shimano M-420 linear pull brakes, Shimano M-420 levers
More parts (3)
Saddle · Original
Specialized BG Sport MTB
Rear derailleur · Original
Shimano Deore LX Search: Shimano Deore LX 9-speed mechanical rear derailleur
Shifters · Original
Shimano Deore Search: Shimano Deore 9-speed mechanical shifter

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.

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Bike-specific inspection checklist 20 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: 2005 Specialized Rockhopper Comp · Mountain bike, front suspension · Published sizes: 13", 15", 17", 19", 21", 23"

Archived: Frame: TIG-welded · Fork: Manitou Splice Comp, 100mm · Aluminum/magnesium, single crown

Archived: Fork: Manitou Splice Comp, 100mm

Archived: Group: Mountain Mix · Shifters: Shimano Deore · Front derailleur: Shimano Deore, bottom-pull/clamp-on 34.9mm · Rear derailleur: Shimano Deore LX · Crankset: TruVativ Five-D, 22/32/44 teeth · Bottom bracket: TruVativ, 118mm spindle · Rear cogs: 9-speed, 11 - 34 teeth · Chain: Shimano CN-HG53, 1/2 x 3/32"

Archived: Brakes: Shimano M-420 linear pull brakes, Shimano M-420 levers

Archived: Wheel size: 26" wheels · Rims: Sun Rims Mach 4, 32-hole · Hubs: Joytech QR · Front tire: 26 x 2.10" Specialized Adrenaline

Controls and contact points

Archived: Headset: 1 1/8" threadless sealed cartridge · Handlebar: Aluminum · Stem: Aluminum · Seatpost: Aluminum micro-adjust · Saddle: Specialized BG Sport MTB · Pedals: Aluminum platform

Before and during the test ride

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Market Snapshot

Checked Oct 1, 2026

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Asking prices, not completed sales. Shipping and tax excluded.

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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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