Suspension Parts for 2021 KTM 450 EXC-F Motorbikes | Guaranteed Fitment

Christmas opening hours. Last shipping day Wednesday 24th December. All orders placed over the break will ship Monday 5th January.

Discover suspension parts guaranteed to fit the 2021 KTM 450 EXC-F. 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 2021 KTM 450 EXC-F.

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

4.2 N/mm

Stock Shock Spring Rate

63-66-69

Bike Type

OFFROAD

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 450 cc

FORKS INFO

Fork Manufacturer

: WP USD 48 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)
Fork Travel: 300 mm

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 4
Fork Oil Level: 610 cc (600-620 cc) mm
Oil Quanity: 2 Litres required for job

Fork Spring Information

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

Fork Comments

: Spring rates from WP official. Red adjuter right rebound side. Stock Orange seals produce drag after a few hours use.

SHOCKS INFO

Shock Manufacturer

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: 63-66-69 kg/mm

Shock Comments

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

Fitment-Matched Suspension Parts by Category

CHASSIS PARTS

13 Parts

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FORK UPGRADE PARTS

14 Parts

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FORK SEALS & BUSHES

14 Parts

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SHOCK UPGRADE PARTS

9 Parts

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TOOLS & LUBRICANTS

25 Parts

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All Fitment-Matched Suspension Parts

Browse All 98 Products for KTM 450 EXC-F 2021

FF ORVS WP 4860 MXMA XPLOR 48mm 2019>

K-Tech

FF ORVS WP 4860 MXMA XPLOR 48mm 2019>

(SKU: 117-600-023-002)

$789.95
Special Order

Kayaba (KYB) Genuine Parts Front Fork KYB Oil 01M 1L

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts Front Fork KYB Oil 01M 1L

Original KYB Suspension Lubricants
(SKU: 130010010101)

Pack Size: 1 L Pack

$47.29
Special Order

Kayaba (KYB) Genuine Parts Front Fork KYB Oil 01M 5L

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts Front Fork KYB Oil 01M 5L

Original KYB Suspension Lubricants
(SKU: 130010050101)

Pack Size: 5 L Bottle

$218.48
Nil Stock

Kayaba (KYB) Genuine Parts Front Fork KYB Oil 01M 200L

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts Front Fork KYB Oil 01M 200L

Original KYB Suspension Lubricants
(SKU: 130012000101)

Pack Size: 200 L Drum

$6,250.20
Special Order

Kayaba (KYB) Genuine Parts Rear Shock KYB Oil K2C 200L

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts Rear Shock KYB Oil K2C 200L

Original KYB Suspension Lubricants
(SKU: 130022000101)

Pack Size: 200 L Drum

$6,250.20
Special Order

KYB Factory Kit Fork KTM/Husqvarna/GasGas 15-2025 Enduro

KYB Factory Kit Fork KTM/Husqvarna/GasGas 15-2025 Enduro

Genuine KYB Factory Race Parts
(SKU: 162019000701)

$6,563.70
Custom Order

Shock Spanner Wrench WP Shock KTM/Husqvarna/GasGas 2016- Linkage

Enduro Engineering

Shock Spanner Wrench WP Shock KTM/Husqvarna/GasGas 2016- Linkage

(SKU: 22-316)

$44.00
Coming Soon

WP 18mm id Dust Wiper (50180606)

WP Genuine Parts

WP 18mm id Dust Wiper (50180606)

WP 46 and 50mm Shock
(SKU: 22-445-00)

Inside Diameter d (mm): 18.0

Height H (mm): 5.5

Outside Diameter d (mm): 30.0

$32.95
Nil Stock

Fork Preload Spacer 43.5 x 2.5

Teknik Motorsport

Fork Preload Spacer 43.5 x 2.5

43.5mm od x 2.5mm thick - Nylon
(SKU: 30-130-00)

$3.30
Special Order

XPLOR Fork Upgrade Kit for WP XPlor 48mm Forks

Teknik T-Valves

XPLOR Fork Upgrade Kit for WP XPlor 48mm Forks

KTM & Husqvarna & GasGas 125 / 250 / 350 / 450 / 500
(SKU: 30-160-01)

$745.00
Special Order

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