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1996 Specialized Rockhopper A1 FS

Original specifications: Shimano Alivio drivetrain · 26" wheels · legacy reference geometry.

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At a glance

Model year
1996
Category
Mountain
Original MSRP
$649.00
Sizes
13.5", 15.5", 17", 18", 19", 20.5"
Colors
Purple
Geometry
Legacy reference
In this record
26 specifications · original MSRP · geometry
Archive ID
56566
Model history 6 other years
Original buildSpecialized Premium A1 aluminum · Shimano Alivio · 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

13.5"15.5"17"18"19"20.5"

Published colors

Purple

Frameset

Frame ConstructionWelded aluminum
Frame MaterialSpecialized Premium A1 aluminum
ForkRock Shox Quadra 5
Fork MaterialMagnesium, triple-clamp crown

Drivetrain

Component GroupShimano Alivio
ShiftersGrip Shift SRT-300i
Front DerailleurShimano Alivio top-swing, bottom-pull/clamp-on 31.8 mm
Rear DerailleurShimano STX
CranksetSpecialized Son of Strongarm, 20/32/42 teeth
Bottom BracketShimano BB-LP26, 107 mm spindle
BB Shell Width73mm English
Rear Cogs7-speed, 11 - 28 teeth
ChainShimano CN-HG50, 1/2 x 3/32"
PedalsHTI steel/resin w/clips & straps

Brakes

BrakesShimano Altus brakes, Dia-Compe PC-3 levers

Cockpit & Contact Points

Headset1 1/8" sealed mechanism
HandlebarAlloy
Handlebar ExtensionsNot included
StemChromoly
SaddleSpecialized Comfort Sport
SeatpostAlloy micro-adjust, 30.9 mm diameter

Wheels & Tires

RimsAraya GP-710, 32-hole
SpokesWheelsmith stainless steel, 2.0mm straight gauge
Spoke NipplesBrass nipples
Front TireFront: 26 x 1.95" Specialized Ground Control II, Rear: 26 x 1.95" Specialized Ground Master
Wheel Size26" wheels

Geometry

Legacy reference · 6 measurements

Model-level measurements; the frame size was not recorded. Use these as a historical reference, not for size-specific fit.

All geometry measurementsLegacy reference · 6 measurements
MeasurementLegacy reference
Top tube564 mm
Head-tube angle71°
Seat-tube angle73°
Chainstay / rear center430 mm
Wheelbase1064 mm
Fork offset / rake38.1 mm

The preserved source contains one model-level geometry set without an identified frame size.

Gearing

Chainring ÷ rear sprocket

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

Published build42/32/20T · 11–28T · 7-speed
Lowest0.71:1 Highest3.82:1 Total range535%
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Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
Shimano CN-HG50, 1/2 x 3/32"
Bottom bracket · Original
Shimano BB-LP26, 107 mm spindle
Saddle · Original
Specialized Comfort Sport
More parts (3)
Crankset · Original
Specialized Son of Strongarm, 20/32/42 teeth
Rear derailleur · Original
Shimano STX Search: Shimano STX 7-speed mechanical rear derailleur
Seatpost · Original
Alloy micro-adjust, 30.9 mm diameter
Retailer offers · Affiliate links

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Bike-specific inspection checklist 21 checks based on 6 archived component groups Open checklistClose checklist
0 of 21 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: 1996 Specialized Rockhopper A1 FS · Mountain bike, front suspension · Published sizes: 13.5", 15.5", 17", 18", 19", 20.5"

Archived: Frame: Welded aluminum · Fork: Rock Shox Quadra 5 · Magnesium, triple-clamp crown

Archived: Fork: Rock Shox Quadra 5

Archived: Group: Shimano Alivio · Shifters: Grip Shift SRT-300i · Front derailleur: Shimano Alivio top-swing, bottom-pull/clamp-on 31.8 mm · Rear derailleur: Shimano STX · Crankset: Specialized Son of Strongarm, 20/32/42 teeth · Bottom bracket: Shimano BB-LP26, 107 mm spindle · Rear cogs: 7-speed, 11 - 28 teeth · Chain: Shimano CN-HG50, 1/2 x 3/32"

Archived: Brakes: Shimano Altus brakes, Dia-Compe PC-3 levers

Archived: Wheel size: 26" wheels · Rims: Araya GP-710, 32-hole · Front tire: Front: 26 x 1.95" Specialized Ground Control II, Rear: 26 x 1.95" Specialized Ground Master

Controls and contact points

Archived: Headset: 1 1/8" sealed mechanism · Handlebar: Alloy · Stem: Chromoly · Seatpost: Alloy micro-adjust, 30.9 mm diameter · Saddle: Specialized Comfort Sport · Pedals: HTI steel/resin w/clips & straps

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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