Suspension Parts for 2004 KTM 125 SX Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2004 KTM 125 SX. Every product in this category has been validated against year-specific fork and shock specifications to ensure true compatibility.
You’ll find fork components, shock parts, shims, upgrade kits, complete suspension systems, chassis components, and the tools and fluids required for accurate servicing - all aligned with the suspension setup of the 2004 KTM 125 SX.

Use this page as a reliable reference when maintaining, rebuilding, or upgrading your bike’s suspension.

Bike-Specific Suspension Specifications & Setup Information

CALCULATE SPRING RATES

This is a recommendation only please consult your manual

Ideal Fork Rate:

kg/mm ( N/mm)

Ideal Shock Rate:

kg/mm ( N/mm)

BIKE DETAILS

Stock Fork Spring Rate

0.41

Stock Shock Spring Rate

PDS6 71-90

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 125 cc

FORKS INFO

Fork Manufacturer

: WP USD 48 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)
Fork Travel: 283 mm

Fork Features

Preload Adjuster: 10 mm Range
Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 110 mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 15 mm

Fork Comments

: Set preload with the adjuster at minimum. (Hex on cap is preload) See oil level instructions.

SHOCKS INFO

Shock Manufacturer

WP: 50 mm ID

Shock Dimensions

Nitrogen Pressure: 150 psi
Shock Length (Eye to Eye): 406 mm
Shock Travel: 100 mm
Shock Shaft Outer Diameter: 18 mm
Standard Sag: 113-118 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 5 Weight
Standard Preload: 6

Shock Features

Non-rebuildable: No

Shock Spring Information

Spring Rate - Claimed: PDS6 71-90 kg/mm

Fitment-Matched Suspension Parts by Category

FORK REBUILD KITS

6 Parts

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FORK SPRINGS
Ideal Fork Rate for kg: kg/mm ( N/mm)

3 Parts

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FORK SEALS & BUSHES

15 Parts

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SHOCK UPGRADE PARTS

4 Parts

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SHOCK SPRINGS
Ideal Spring Rate for kg: kg/mm ( N/mm)

3 Parts

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SHOCK BLADDER PARTS

3 Parts

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SHOCK SEAL CASE PARTS

6 Parts

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TOOLS & LUBRICANTS

25 Parts

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All Fitment-Matched Suspension Parts

Browse All 66 Products for KTM 125 SX 2004

HiCalibre Shock Spring 63 x 260 (Eibach 896) Common Fitment KTM PDS 1998-2016

HiCalibre

HiCalibre Shock Spring 63 x 260 (Eibach 896) Common Fitment KTM PDS 1998-2016

Proudly made in the USA
(SKU: 20-095)

Colour: Black or White
spring rate: 6.0-8.0 Kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 8.0-10.0 kg/mm Progressive

$245.00
1 In Stock

Colour: Black or White
spring rate: 9.5-12.5 kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 10.0-13.0 kg/mm Progressive

$245.00
4 In Stock

Colour: Black or White
spring rate: 6.6-8.6 kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 7.0-9.0 kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 7.6-9.6 kg/mm Progressive

$245.00
1 In Stock

Colour: Orange
spring rate: 6.4-7.8 kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 6.6-8.3 kg/mm Progressive

$245.00
Nil Stock

Colour: Black or White
spring rate: 6.9-8.8 kg/mm Progressive

$219.00
Nil Stock

Colour: Black or White
spring rate: 7.2-9.4 kg/mm Progressive

$219.00
Nil Stock

Colour: Black or White
spring rate: 7.5-10.0 kg/mm Progressive

$219.00
Nil Stock

Colour: Black or White
spring rate: 7.9-10.5 kg/mm Progressive

$219.00
Nil Stock

Colour: Black or White
spring rate: 8.3-11.0 kg/mm Progressive

$219.00
Nil Stock

Colour: Black or White
spring rate: 8.6-11.4 kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 9.0-11.8 kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 10.0 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 3.4 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 3.6 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 3.8 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 4.0 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 4.2 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 4.4 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 4.6 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 4.8 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 5.0 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 5.2 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 5.4 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 5.6 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 5.8 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 6.0 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 6.2 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 6.4 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 6.6 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 6.8 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 7.0 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 7.2 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 7.4 kg/mm

$245.00
1 In Stock

Colour: Black or White
spring rate: 7.6 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 7.8 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 8.0 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 8.2 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 8.4 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 8.6 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 8.8 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 9.0 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 9.2 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 9.4 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 9.6 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 9.8 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 3.6 kg/mm

$295.00
3 In Stock

Colour: Black or White
spring rate: 3.8 kg/mm

$295.00
1 In Stock

Colour: Black or White
spring rate: 3.4 kg/mm

$295.00
Special Order

Colour: Orange
spring rate: 7.0-9.0 kg/mm Progressive

$245.00
Special Order

RCU RESERVOIR BLADDER CONVERSION 54.00mm WP PDS/ LINK>2015

K-Tech

RCU RESERVOIR BLADDER CONVERSION 54.00mm WP PDS/ LINK>2015

(SKU: 211-900-115)

$179.95
2 In Stock

WP Rebound Adjuster - Late PDS

WP Genuine Parts

WP Rebound Adjuster - Late PDS

(SKU: 22-010-18)

$55.00
1 In Stock

Teflon Shaft Bushing - 18 x 20 x 12

Teknik Motorsport

Teflon Shaft Bushing - 18 x 20 x 12

18mm id x 20mm od x 12mm Length
(SKU: 22-080-01)

$2.75
122 In Stock

Bump Stop Rubber 18 x 45 x 40 (WP 50180276)

Teknik Motorsport

Bump Stop Rubber 18 x 45 x 40 (WP 50180276)

18mm id x 45mm od x 40mm tall - WP
(SKU: 22-288-00)

Height H (mm): 40.0

Outside Ø D (mm): 45.0

$22.00
401 In Stock

Shock Oil Seal Quad Ring 18 x 2.62 Suits Ohlins and WP

Capelli Race

Shock Oil Seal Quad Ring 18 x 2.62 Suits Ohlins and WP

18mm id x 2.62mm thick - Quad Ring
(SKU: 22-402-00)

$18.98
32 In Stock

WP Wiper 18 x 35 x 7 (50180082)

WP Genuine Parts

WP Wiper 18 x 35 x 7 (50180082)

18mm id x 35mm od x 7mm thick - WP
(SKU: 22-423-00)

$55.00
2 In Stock

Nitrogen Shock Filling Valve M5

Teknik Motorsport

Nitrogen Shock Filling Valve M5

Standard M5 0.8mm thread - WP replacement
(SKU: 22-600-00)

$20.00
95 In Stock

WP Regas Valve (M5x0.8 Schrader)

Teknik Motorsport

WP Regas Valve (M5x0.8 Schrader)

Suits WP Shocks
(SKU: 22-600-09)

$30.80
669 In Stock

WP Front Fork DIY Service Kit - 48mm Forks

Capelli Race

WP Front Fork DIY Service Kit - 48mm Forks

(SKU: 24-374-01)

Fork Inner Tube Ø d (mm): 48.0

$169.95
59 In Stock

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