Velopedia Bicycle Archive

2006 Specialized SX Trail II

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

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Original MSRP
$3,800.00
Sizes
Short, long
Archive ID
11906
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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 309% cassette range describes the available gearing more clearly than the component-group name alone. Hydraulic disc brakes shift routine service toward pad and rotor condition, fluid leaks and use of the correct bleed fluid.

Suspension setup Front + rear Fork and shock pressure, sag and rebound should be balanced and recorded independently.
Gearing 309% cassette range Calculated from the published 11–34-tooth sprocket span.
Brake service Hydraulic disc Pad and rotor condition plus the correct bleed fluid are the primary service checks.
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 →
  • BrakesBoth levers should feel firm and return cleanly. Check for fluid around the levers and calipers, inspect pad thickness and contamination, and look for worn or bent rotors.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 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 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 SX Trail II · Mountain bike, front & rear suspension · Published sizes: Short, long

Archived: Frame: TIG-welded · Fork: Fox 36 Van R, 160mm · Magnesium/aluminum, single crown

Archived: Fork: Fox 36 Van R, 160mm · Rear shock: Fox DHX Coil 5.0, 6.6" travel

Archived: Group: SRAM Mix · Shifters: SRAM X-9 Trigger · Rear derailleur: SRAM X.0, micro cage · Crankset: Truvativ Holzfeller with Blackspire NS-1 Lexan Guide, 36 teeth · Bottom bracket: TruVativ Howitzer · Rear cogs: 9-speed, 11 - 34 teeth · Chain: SRAM PC-971 with Power Link

Archived: Brakes: Avid Juicy 7, hydraulic disc, 8" Polygon rotor brakes, Avid Juicy 7 levers

Archived: Wheel size: 26" wheels · Rims: Mavic EX721, 36-hole · Hubs: Front: Specialized disc, high/low flange, 20mm thru axle, Rear: Specialized disc, high/low flange, 10mm bolt-on · Front tire: 26 x 2.30" Specialized Chunder 60 TPI, aramid bead, 2 ply, Butyl insert, soft

Controls and contact points

Archived: Headset: 1 1/8" threadless, alloy upper cup with OS bearing, 7050 alloy lower cup · Handlebar: Specialized Demo OS, 31.8mm DH bar clamp, 6 degree upsweep, 9 degree back · Stem: Truvativ Holzfeller, 31.8 clamp, 40mm · Seatpost: Syncros Derived, 30.9mm diameter · Saddle: Specialized Enduro, hollow Cr-Mo rails, super light foam · Pedals: Specialized Lo-Pro Mag, screw in pins, sealed cartidge bearing

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

2 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

shortlong
View 2 archived size/color combinations
SizeColor
short
long

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

Frameset

Frame ConstructionTIG-welded
Frame MaterialA1 Premium Aluminum
ForkFox 36 Van R, 160mm
Fork MaterialMagnesium/aluminum, single crown
Rear ShockFox DHX Coil 5.0, 6.6" travel

Drivetrain

Component GroupSRAM Mix
ShiftersSRAM X-9 Trigger
Front DerailleurN/A
Rear DerailleurSRAM X.0, micro cage
CranksetTruvativ Holzfeller with Blackspire NS-1 Lexan Guide, 36 teeth
Bottom BracketTruVativ Howitzer
Rear Cogs9-speed, 11 - 34 teeth
ChainSRAM PC-971 with Power Link
PedalsSpecialized Lo-Pro Mag, screw in pins, sealed cartidge bearing

Brakes

BrakesAvid Juicy 7, hydraulic disc, 8" Polygon rotor brakes, Avid Juicy 7 levers

Cockpit & Contact Points

Headset1 1/8" threadless, alloy upper cup with OS bearing, 7050 alloy lower cup
HandlebarSpecialized Demo OS, 31.8mm DH bar clamp, 6 degree upsweep, 9 degree back
Handlebar ExtensionsNot included
StemTruvativ Holzfeller, 31.8 clamp, 40mm
SaddleSpecialized Enduro, hollow Cr-Mo rails, super light foam
SeatpostSyncros Derived, 30.9mm diameter

Wheels & Tires

HubsFront: Specialized disc, high/low flange, 20mm thru axle, Rear: Specialized disc, high/low flange, 10mm bolt-on
RimsMavic EX721, 36-hole
SpokesDT Swiss stainless steel, 14ga. (2.0mm) straight gauge
Spoke NipplesBrass nipples
Front Tire26 x 2.30" Specialized Chunder 60 TPI, aramid bead, 2 ply, Butyl insert, soft
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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