Discover suspension parts guaranteed to fit the 2018 KTM 300 EXC. 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 2018 KTM 300 EXC.

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

4.2N/mm

Stock Shock Spring Rate

60-63-66

Bike Type

OFFROAD

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 300 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 Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 2.5 or 3
Fork Oil Level: 120 mm
Oil Quanity: 625 cc (615-635cc)

Fork Spring Information

Spring Rate – Claimed: 4.2N/mm
Standard Preload: 3 mm

Fork Comments

: Red adjuter right rebound side. Stock Orange seals produce drag after a few hours use.

SHOCKS INFO

Shock Manufacturer

Shock Type: WP 46 mm ID

Shock Dimensions

Nitrogen Pressure: 150 psi
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
Wheel Travel: 310 mm

Shock Features

Non-rebuildable: No

Shock Spring Information

Spring Rate - Claimed: 60-63-66 kg/mm

Shock Comments

: Spring Rates from WP official. Shock rate suggestion is progressive mid number.

Fitment-Matched Suspension Parts by Category

CHASSIS PARTS

14 Parts

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FORK UPGRADE PARTS

14 Parts

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FORK SEALS & BUSHES

14 Parts

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TOOLS & LUBRICANTS

27 Parts

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All Fitment-Matched Suspension Parts

Browse All 105 Products for KTM 300 EXC 2018

KYB / WP Fork Cap Spanner

2 Piece set for KYB inner/outer and WP
(SKU: 93-003-00)

$77.00
Nil Stock

Shock Seal Head Brass Bullet 5Pc Kit

12.5x10 | 14x12 | 16x12 | 18x12 | 18x16 mm
(SKU: 93-031-00)

$76.95
Coming Soon

DRC ENZO | Fork Outer Clamp/Holder | Quick Release

Developed by Enzo Racing
(SKU: ED59-37-260)

$185.00
Nil Stock

InnTeck Inner Slide Fork Bush WP 48mm can use 110034800102

WP 48mm 47x49x20
(SKU: SKTE48W)

Inside Diameter d (mm): 47.0

Fork Inner Tube Ø d (mm): 48.0

Height H (mm): 20.0

Outside Ø D (mm): 49.0

Wall Thickness (mm): 1.0

$22.00
Nil Stock

InnTeck Outer Guide Fork Bush WP 48mm can use 110044800102

WP 48mm 48x52x12
(SKU: SKTI48W)

Inside Diameter d (mm): 48.0

Fork Inner Tube Ø d (mm): 48.0

Height H (mm): 12.0

Outside Ø D (mm): 52.0

Wall Thickness (mm): 2.0

$22.00
Nil Stock

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Suspension Parts for KTM 300 EXC 2018 – Shocks, Forks & Upgrades

Bike-Specific Suspension Specifications & Setup Information

CALCULATE SPRING RATES

BIKE DETAILS

FORKS INFO

Fork Manufacturer

Fork Dimensions

Fork Features

Fork Oil

Fork Spring Information

Fork Comments

SHOCKS INFO

Shock Manufacturer

Shock Dimensions

Shock Features

Shock Spring Information

Shock Comments

Fitment-Matched Suspension Parts by Category

All Fitment-Matched Suspension Parts

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Terms & Conditions

Privacy Policy

1. WHAT WE COLLECT

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3. SECURITY

4. HOW WE USE COOKIES

5. CONTROLLING YOUR PERSONAL INFORMATION