Suspension Parts for 2013 KTM 125 SX Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2013 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 2013 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

0.44

Stock Shock Spring Rate

48 N/mm

Bike Type

MX

Ideal Rider Weight

80 kg

Engine Specifications

2 Stroke Engine 125 cc

FORKS INFO

Fork Manufacturer

Fork Type: 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: 0 mm Range
Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 5
Oil Quanity: 360cc

Fork Spring Information

Spring Rate – Claimed: 4.2N
Standard Preload: 8 mm

Fork Comments

: We suggest 22-25 psi bladder pressure

SHOCKS INFO

Shock Manufacturer

Shock Type: WP 50 mm ID

Shock Dimensions

Nitrogen Pressure: 150 psi
Shock Travel: 110 mm
Shock Shaft Outer Diameter: 18 mm
Standard Sag: 105-115 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 5 Weight
Standard Preload: 7-8mm

Shock Features

Non-rebuildable: No

Shock Spring Information

Spring Rate - Claimed: 48 N/mm kg/mm

Shock Comments

: Spring rates from WP official

Fitment-Matched Suspension Parts by Category

CHASSIS PARTS

11 Parts

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FORK REBUILD KITS

6 Parts

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FORK UPGRADE PARTS

4 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

14 Parts

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SHOCK UPGRADE PARTS

8 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

7 Parts

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TOOLS & LUBRICANTS

30 Parts

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All Fitment-Matched Suspension Parts

Browse All 88 Products for KTM 125 SX 2013

WP High Speed Adjuster Spring

Teknik Motorsport

WP High Speed Adjuster Spring

(SKU: 30-002-15)

$27.50
6 In Stock

Spring Perch Kit - All WP Bladder Forks

Suspension Direct International (SDI)

Spring Perch Kit - All WP Bladder Forks

125/150/250 SX & 250/450 SXF & TC 250/450 & FC/FE 250
(SKU: 30-004-38)

$176.00
2 In Stock

All Balls Rear Shock Seal Kit - KTM 250/350/450 SXF 11-12

All Balls

All Balls Rear Shock Seal Kit - KTM 250/350/450 SXF 11-12

18 50 accepts top out spring 53x1.75 round
(SKU: 37-1127)

Shock Bore Ø D (mm): 50.0

Shock Shaft Ø D (mm): 18.0

$95.00
1 In Stock

Xtrig Top Triple Clamp KTM SX Husqvarna TC FC

XTRIG

Xtrig Top Triple Clamp KTM SX Husqvarna TC FC

Xtrig Spare Parts
(SKU: 40505000)

Colour: Black

Offset (mm): 22

$320.00
1 In Stock

Xtrig Triple Clamps Rocs Tech KTM/HVA 14-22

XTRIG

Xtrig Triple Clamps Rocs Tech KTM/HVA 14-22

Standard offset of the manufacturer.
(SKU: 40505005)

Colour: Orange

Offset (mm): 22

$845.00
1 In Stock

Teknik Fork Springs 43.2 x 485

Teknik Moto Springs

Teknik Fork Springs 43.2 x 485

Made in The Netherlands to ISO 9001
(SKU: 43.2-485)

From $220.00

Spring Rate: 3.8 N/mm

$220.00
Nil Stock

Notify Me

Spring Rate: 4.0 N/mm

$220.00
Nil Stock

Spring Rate: 4.2 N/mm

$220.00
Nil Stock

Spring Rate: 4.4 N/mm

$220.00
Nil Stock

Spring Rate: 4.6 N/mm

$220.00
Nil Stock

Spring Rate: 4.8 N/mm

$220.00
Nil Stock

Spring Rate: 5.0 N/mm

$220.00
Nil Stock

Spring Rate: 5.2 N/mm

$220.00
Nil Stock

Xtrig PHDS OEM BETA, SHERCO, KTM 28.6mm M10

XTRIG

Xtrig PHDS OEM BETA, SHERCO, KTM 28.6mm M10

For OEM KTM Gas Gas Husqvarna Beta Sherco
(SKU: 50100008)

Handlebar Diameter D (mm): 28.6

$325.00
3 In Stock

Teknik Shock Spring 62 x 245 (Eibach 882)

Teknik Moto Springs

Teknik Shock Spring 62 x 245 (Eibach 882)

Made in The Netherlands to ISO 9001
(SKU: 62-245)

From $235.00

Spring Rate and Colour: 32.0 N/mm Linear | White

$235.00
18 In Stock

Spring Rate and Colour: 34.0 N/mm Linear | White

$235.00
14 In Stock

Spring Rate and Colour: 36.0 N/mm Linear | White

$235.00
12 In Stock

Spring Rate and Colour: 38.0 N/mm Linear | White

$235.00
27 In Stock

Spring Rate and Colour: 40.0 N/mm Linear | White

$235.00
21 In Stock

Spring Rate and Colour: 42.0 N/mm Linear | White

$235.00
7 In Stock

Spring Rate and Colour: 44.0 N/mm Linear | White

$235.00
2 In Stock

Spring Rate and Colour: 46.0 N/mm Linear | White

$235.00
21 In Stock

Spring Rate and Colour: 48.0 N/mm Linear | White

$235.00
2 In Stock

Spring Rate and Colour: 56.0 N/mm Linear | White

$235.00
22 In Stock

Spring Rate and Colour: 50.0 N/mm Linear | White

$235.00
24 In Stock

Spring Rate and Colour: 54.0 N/mm Linear | White

$235.00
12 In Stock

Spring Rate and Colour: 52.0 N/mm Linear | White

$235.00
14 In Stock

Teknik Shock Spring 63 x 260 (Eibach 898)

Teknik Moto Springs

Teknik Shock Spring 63 x 260 (Eibach 898)

Made in The Netherlands to ISO 9001
(SKU: 63-260)

From $220.00

Spring Rate and Colour: 44.0 N/mm Linear | White

$235.00
19 In Stock

Spring Rate and Colour: 46.0 N/mm Linear | White

$235.00
10 In Stock

Spring Rate and Colour: 48.0 N/mm Linear | White

$235.00
12 In Stock

Spring Rate and Colour: 50.0 N/mm Linear | White

$235.00
9 In Stock

Spring Rate and Colour: 52.0 N/mm Linear | White

$235.00
19 In Stock

Spring Rate and Colour: 54.0 N/mm Linear | White

$235.00
29 In Stock

Spring Rate and Colour: 56.0 N/mm Linear | White

$235.00
81 In Stock

Spring Rate and Colour: 58.0 N/mm Linear | White

$235.00
68 In Stock

Spring Rate and Colour: 60.0 N/mm Linear | White

$235.00
72 In Stock

Spring Rate and Colour: 68.0 N/mm Linear | White

$220.00
Nil Stock

Spring Rate and Colour: 62.0 N/mm Linear | White

$235.00
74 In Stock

Spring Rate and Colour: 64.0 N/mm Linear | White

$235.00
10 In Stock

Spring Rate and Colour: 36.0 N/mm Linear | White

$235.00
19 In Stock

Spring Rate and Colour: 38.0 N/mm Linear | White

$235.00
39 In Stock

Spring Rate and Colour: 40.0 N/mm Linear | White

$235.00
31 In Stock

Spring Rate and Colour: 42.0 N/mm Linear | White

$235.00
82 In Stock

Spring Rate and Colour: 39.0 N/mm Linear | White

$220.00
Nil Stock

Spring Rate and Colour: 66.0 N/mm Linear | White

$220.00
Nil Stock

Spring Rate and Colour: 34.0 N/mm Linear | White

$235.00
10 In Stock

Spring Rate and Colour: 32.0 N/mm Linear | White

$235.00
7 In Stock

Spring Rate and Colour: 63.0 N/mm Linear | White

$235.00
6 In Stock

Spring Rate and Colour: 84.0 N/mm Linear | White

$220.00
Nil Stock

Xtrig Holeshot HiLo 59mm WP 48mm USD OEM Fork

XTRIG

Xtrig Holeshot HiLo 59mm WP 48mm USD OEM Fork

Holeshot with two locking positions
(SKU: 70100017)

Colour: X-Trig Brown

$190.00
1 In Stock

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