Velopedia Bicycle Archive

2006 Specialized Hotrock A1 FSR

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

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Original MSRP
$350.00
Sizes
11.5"
Archive ID
11851

Current market

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Velopedia analysis

What the specifications mean

Derived from the archived manufacturer recordHow Velopedia reads these specifications →

The fork and rear shock need to be set up as a pair. If their sag or rebound settings are far apart, the front and rear of the bike can react very differently. The 200% cassette range describes the available gearing more clearly than the component-group name alone. With rim brakes, the wheel’s braking surface is part of the system, so rim wear matters alongside pads and cables.

Suspension setup Front + rear Fork and shock pressure, sag and rebound should be balanced and recorded independently.
Gearing 200% cassette range Calculated from the published 14–28-tooth sprocket span.
Brake service Rim braking Pad compound, cable condition and wheel braking-surface wear belong in the inspection.
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 →
  • BrakesInspect pad condition, cable movement and the rim sidewalls or brake tracks for wear. A concave or heavily worn braking surface can mean the wheel also needs replacement.Inspect the brakes →
  • SuspensionAsk when the fork and shock were last serviced. Check the stanchions for damage, look for oil at the seals, cycle both units through their travel and test the suspension pivots for 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 7-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 22 checks based on 6 archived component groups Open checklistClose checklist
0 of 22 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 Hotrock A1 FSR · Mountain bike, front & rear suspension · Published sizes: 11.5"

Archived: Frame: TIG-welded · Fork: RST Capa T5, 51mm · Steel/aluminum, single crown

Archived: Fork: RST Capa T5, 51mm · Rear shock: ToughShock Coil over, 150x31mm, 3" travel

Archived: Group: Juvenile Mix · Shifters: Shimano RS-41 "Revo" twist shifters, 3/7speed · Front derailleur: Shimano Acera, 31.8 clamp, bottom pull · Rear derailleur: Shimano Altus · Crankset: Truvativ “ISO Flow”, alloy 160mm with replaceable chainrings and capless bo, Truvativ 42t 7075alloy, heat treated Cr-Mo 32t and 22t teeth · Bottom bracket: TruVativ LE, 113mm spindle · Rear cogs: 7-speed, 14 - 28 teeth · Chain: Shimano

Archived: Brakes: Tektro, alloy linear pull, stainless steel pipe, 60mm all weather pads brakes, Tektro junior “V”, alloy, linear pull compatible levers

Archived: Wheel size: 24" wheels · Rims: Alex, 32-hole · Hubs: Front: Alloy, double sealed with alloy QR, Rear: Alloy, double sealed with alloy QR, freewheel type · Front tire: 24 x 1.80" Specialized Roll X

Controls and contact points

Archived: Headset: 1 1/8" threadless, sealed loose ball · Handlebar: Alloy, flat, 6 degree sweep, 540mm width · Stem: A-Head alloy, 15 degree rise, 75mm length · Seatpost: Alloy, micro adjust, 27.2mm diameter · Saddle: Specialized Mini Mountain · Pedals: Steel cage, resin body(toe clip compatible) with reflectors

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

1 item record

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

11.5"
View 1 archived size/color combination
SizeColor
11.5"

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 Capa T5, 51mm
Fork MaterialSteel/aluminum, single crown
Rear ShockToughShock Coil over, 150x31mm, 3" travel

Drivetrain

Component GroupJuvenile Mix
ShiftersShimano RS-41 "Revo" twist shifters, 3/7speed
Front DerailleurShimano Acera, 31.8 clamp, bottom pull
Rear DerailleurShimano Altus
CranksetTruvativ “ISO Flow”, alloy 160mm with replaceable chainrings and capless bo, Truvativ 42t 7075alloy, heat treated Cr-Mo 32t and 22t teeth
Bottom BracketTruVativ LE, 113mm spindle
BB Shell Width68mm English
Rear Cogs7-speed, 14 - 28 teeth
ChainShimano
PedalsSteel cage, resin body(toe clip compatible) with reflectors

Brakes

BrakesTektro, alloy linear pull, stainless steel pipe, 60mm all weather pads brakes, Tektro junior “V”, alloy, linear pull compatible levers

Cockpit & Contact Points

Headset1 1/8" threadless, sealed loose ball
HandlebarAlloy, flat, 6 degree sweep, 540mm width
Handlebar ExtensionsNot included
StemA-Head alloy, 15 degree rise, 75mm length
SaddleSpecialized Mini Mountain
SeatpostAlloy, micro adjust, 27.2mm diameter

Wheels & Tires

HubsFront: Alloy, double sealed with alloy QR, Rear: Alloy, double sealed with alloy QR, freewheel type
RimsAlex, 32-hole
SpokesStainless steel, 14ga. (2.0mm) straight gauge
Spoke NipplesBrass nipples
Front Tire24 x 1.80" Specialized Roll X
Wheel Size24" wheels

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

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