Velopedia Bicycle Archive

1998 Specialized Rockhopper A1 FS

Original specifications: Mountain Mix drivetrain · 26" wheels.

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At a glance

Model year
1998
Category
Mountain
Original MSRP
$725.00
Sizes
13", 15", 17", 19", 21", 23"
Colors
Blue, Team Red
In this record
27 specifications · archived image · original MSRP
Archive ID
71139
Model history 6 other years
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Manufacturer catalog

Published sizes and colors

6 sizes · 2 colors

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

BlueTeam Red

Frameset

Frame ConstructionTIG-welded
Frame MaterialSpecialized A1 Premium Plus aluminum
ForkAnswer Manitou Spyder
Fork MaterialAluminum/magnesium, triple-clamp crown

Drivetrain

Component GroupMountain Mix
ShiftersShimano Rapidfire
Front DerailleurShimano Alivio top-swing, bottom-pull/clamp-on 31.8mm
Rear DerailleurShimano Deore LX SGS
CranksetSpecialized Strong Arm Expert, 22/32/42 teeth
Bottom BracketSpecialized sealed cartridge
BB Shell Width68mm English
Rear Cogs8-speed, 11 - 32 teeth
ChainShimano IG, 1/2 x 3/32"
PedalsResin

Brakes

BrakesDia-Compe VC-757 brakes, Dia-Compe DP-7N levers

Cockpit & Contact Points

Headset1 1/8" threadless Ritchey Logic
HandlebarSpecialized aluminum
Handlebar ExtensionsNot included
StemSpecialized aluminum
SaddleSpecialized Prolong Evolution Carbotech
SeatpostAluminum micro-adjust, 30.9mm diameter

Wheels & Tires

HubsFront: Specialized aluminum, Q/R, Rear: Ritchey aluminum, Q/R
RimsFront: Ritchey Rock SCX, Rear: Ritchey Rock OCR, 32-hole
SpokesStainless steel, 1.8mm straight gauge
Spoke NipplesBrass nipples
Front TireFront: 26 x 1.90" Specialized Dirt Control, Rear: 26 x 1.90" Specialized Dirt Master
Wheel Size26" wheels

Parts & serviceability

Find replacement parts

3 top part searches
SaddleQualified part search
Specialized Prolong Evolution Carbotech Named archived component — verify exact version
CranksetQualified part search
Specialized Strong Arm Expert, 22/32/42 teeth Named archived component — verify exact version
Rear derailleurMatching configuration
Shimano Deore LX SGS Interpreted as Shimano Deore LX · 8-speed · mechanical Named component · published drivetrain speed — verify exact version
More qualified parts (2)
SeatpostMatching fit standard
30.9 mm seatpost Published diameter — verify length and setback
HeadsetQualified part search
1 1/8" threadless Ritchey Logic 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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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 →
  • BrakesTest each brake separately and confirm it stops firmly and releases cleanly. Inspect the pads and braking surfaces for wear or contamination, and check the cables or hoses for damage.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 8-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: 1998 Specialized Rockhopper A1 FS · Mountain bike, front suspension · Published sizes: 13", 15", 17", 19", 21", 23"

Archived: Frame: TIG-welded · Fork: Answer Manitou Spyder · Aluminum/magnesium, triple-clamp crown

Archived: Fork: Answer Manitou Spyder

Archived: Group: Mountain Mix · Shifters: Shimano Rapidfire · Front derailleur: Shimano Alivio top-swing, bottom-pull/clamp-on 31.8mm · Rear derailleur: Shimano Deore LX SGS · Crankset: Specialized Strong Arm Expert, 22/32/42 teeth · Bottom bracket: Specialized sealed cartridge · Rear cogs: 8-speed, 11 - 32 teeth · Chain: Shimano IG, 1/2 x 3/32"

Archived: Brakes: Dia-Compe VC-757 brakes, Dia-Compe DP-7N levers

Archived: Wheel size: 26" wheels · Rims: Front: Ritchey Rock SCX, Rear: Ritchey Rock OCR, 32-hole · Hubs: Front: Specialized aluminum, Q/R, Rear: Ritchey aluminum, Q/R · Front tire: Front: 26 x 1.90" Specialized Dirt Control, Rear: 26 x 1.90" Specialized Dirt Master

Controls and contact points

Archived: Headset: 1 1/8" threadless Ritchey Logic · Handlebar: Specialized aluminum · Stem: Specialized aluminum · Seatpost: Aluminum micro-adjust, 30.9mm diameter · Saddle: Specialized Prolong Evolution Carbotech · Pedals: Resin

Before and during the test ride

Follow the full used-bike inspection order →

Build relationships are limited to the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.

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Record source

Historical archive database record. The original source URL is not retained in this record.

Archived equipment may differ from the bike in front of you. Send a correction with Archive ID 71139 and supporting documentation.

Current market

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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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