
Velopedia Bicycle Archive
2005 Specialized SX Trail
Mountain bike, front & rear suspension bicycle from the Velopedia specification archive.
- Original MSRP
- $3,300.00
- Sizes
- Small, medium, large
- Colors
- Copper/Black
- Archive ID
- 10581
Current market
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Velopedia analysis
What the specifications mean
Suspension at both ends means fork and shock setup should be considered together; mismatched sag or rebound can leave the front and rear reacting 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.
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
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.
Identity and fit
Follow the full used-bike inspection order →Archived: 2005 Specialized SX Trail · Mountain bike, front & rear suspension · Published sizes: Small, medium, large
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: Marzocchi 66R, 150mm · Aluminum/magnesium, single crown
Suspension
Evaluate the suspension →Archived: Fork: Marzocchi 66R, 150mm · Rear shock: Custom Progressive 5th Element Air, 150mm
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Shimano Deore LX · Front derailleur: Shimano Deore LX, bottom-pull/clamp-on 34.9mm · Rear derailleur: Shimano Deore XT · Crankset: TruVativ Holzfeller, 26/36 teeth · Bottom bracket: TruVativ Giga Pipe DHLT · Rear cogs: 9-speed, 11 - 34 teeth · Chain: Shimano CN-HG73, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Hayes HFX-9 front/Hayes HFX-9 Hydraulic Disc rear brakes, Hayes HFX-9 levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Mavic EX325, 36-hole · Hubs: Front: Specialized Stout Disc, Rear: Specialized Stout bolt-on · Front tire: 26 x 2.10" Specialized Roller RS
Controls and contact points
Archived: Headset: 1 1/8" threadless chromoly · Handlebar: Specialized Demo · Stem: Syncros BearHug HD · Seatpost: Syncros Derived, 30.9mm diameter · Saddle: Specialized Enduro · Pedals: Lo-Pro Magnesium
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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Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | A1 Premium aluminum |
| Fork | Marzocchi 66R, 150mm |
| Fork Material | Aluminum/magnesium, single crown |
| Rear Shock | Custom Progressive 5th Element Air, 150mm |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Shimano Deore LX |
| Front Derailleur | Shimano Deore LX, bottom-pull/clamp-on 34.9mm |
| Rear Derailleur | Shimano Deore XT |
| Crankset | TruVativ Holzfeller, 26/36 teeth |
| Bottom Bracket | TruVativ Giga Pipe DHLT |
| BB Shell Width | 73mm English |
| Rear Cogs | 9-speed, 11 - 34 teeth |
| Chain | Shimano CN-HG73, 1/2 x 3/32" |
| Pedals | Lo-Pro Magnesium |
Brakes
| Brakes | Hayes HFX-9 front/Hayes HFX-9 Hydraulic Disc rear brakes, Hayes HFX-9 levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless chromoly |
|---|---|
| Handlebar | Specialized Demo |
| Handlebar Extensions | N/A |
| Stem | Syncros BearHug HD |
| Saddle | Specialized Enduro |
| Seatpost | Syncros Derived, 30.9mm diameter |
Wheels & Tires
| Hubs | Front: Specialized Stout Disc, Rear: Specialized Stout bolt-on |
|---|---|
| Rims | Mavic EX325, 36-hole |
| Spokes | DT Swiss stainless steel, 14ga. (2.0mm) straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 26 x 2.10" Specialized Roller RS |
| Wheel Size | 26" wheels |
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.




