Suspension Parts for 2021 HONDA CRF450R Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2021 HONDA CRF450R. 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 HONDA CRF450R.

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

0.5

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 450 cc

FORKS INFO

Fork Manufacturer

: Showa USD 49 mm OD

Fork Dimensions

Compression Nut Torque: 24 in-lb (0.29 kgf-m)
Fork Travel: 310 mm

Fork Features

Preload Adjuster: 3 mm Range
Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 350cc mm
Oil Quanity: 2 Litres

Fork Spring Information

Spring Rate – Claimed: 4.8N
Standard Preload: 3 mm

SHOCKS INFO

Shock Manufacturer

SHOWA: 50 mm ID

Shock Dimensions

Nitrogen Pressure: 145 psi
Shock Shaft Outer Diameter: 16 mm
Standard Sag: 40 mm
Shock Oil: 2.5 Weight

Shock Features

Non-rebuildable: No

Shock Comments

: Check rebound adjuster.

Fitment-Matched Suspension Parts by Category

CHASSIS PARTS

10 Parts

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FACTORY RACING KIT SUSPENSION

4 Parts

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FORK & SHOCK UPGRADE PACKS

4 Parts

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FORK UPGRADE PARTS

13 Parts

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

7 Parts

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FORK CARTRIDGE ASSEMBLY PARTS

7 Parts

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FORK SEALS & BUSHES

17 Parts

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FORK COMPRESSION ADJUSTER ASSY

16 Parts

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FORK CARTRIDGE ROD PARTS

12 Parts

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FORK UPPER & LOWER TUBE PARTS

14 Parts

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FORK O-RINGS

9 Parts

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SHOCK UPGRADE PARTS

6 Parts

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SHOCK SPRING RETAINERS /BUMPERS

4 Parts

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SHOCK BLADDER PARTS

8 Parts

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SHOCK SEAL CASE PARTS

19 Parts

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SHOCK SHAFT PARTS

11 Parts

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SHOCK BODY PARTS

9 Parts

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SUSPENSION LOCKNUTS & BUSHES

21 Parts

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PERFORMANCE COATINGS

4 Parts

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TOOLS & LUBRICANTS

22 Parts

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All Fitment-Matched Suspension Parts

Browse All 209 Products for HONDA CRF450R 2021

Shock Seal Head Bullet 5Pc Kit

Techtool

Shock Seal Head Bullet 5Pc Kit

Shock Seal Head Bullet 5pc Kit
(SKU: 93-031-00)

$76.95
18 In Stock

Techtool Fork Tube Tool & Cartridge Rod Holding Plate

Techtool

Techtool Fork Tube Tool & Cartridge Rod Holding Plate

For KYB, Showa & WP Twin or Open Chamber Forks
(SKU: 93-032-00)

$220.00
18 In Stock

Shock Bushing Driver Set

Techtool

Shock Bushing Driver Set

(SKU: 93-118-00)

$33.00
8 In Stock

Eibach EMS Moto Front Fork Spring Kit. 44.7 x 472 Showa 49 USD Honda CRF 250 450 2017-2024 (45-470)

Eibach Suspension Technology

Eibach EMS Moto Front Fork Spring Kit. 44.7 x 472 Showa 49 USD Honda CRF 250 450 2017-2024 (45-470)

Made in the USA (QS9000) or Germany (ISO16949)
(SKU: 962)

spring rate: 0.45 kg/mm

$249.94
1 In Stock

spring rate: 0.47 kg/mm

$249.94
1 In Stock

spring rate: 0.51 kg/mm

$249.94
2 In Stock

spring rate: 0.53 kg/mm

$249.94
1 In Stock

DRC FORK SEAL DRIVER SET | UNIVERSAL | 40-50mm

DRC Zeta Hardware

DRC FORK SEAL DRIVER SET | UNIVERSAL | 40-50mm

DRC Fork Seal Driver Tool Set
(SKU: D59-26-005)

$139.99
5 In Stock

DRC SHOCK SEAL HEAD INSERT KIT | KYB/SHOWA | INNER 12mm / OUTER 14/16/18mm

DRC Zeta Hardware

DRC SHOCK SEAL HEAD INSERT KIT | KYB/SHOWA | INNER 12mm / OUTER 14/16/18mm

Shock seal Bullet set -14x12 16x12 18x12
(SKU: D59-37-135)

$49.50
4 In Stock

DRC ENZO | Fork Base Valve Wrench Jig | SHOWA AOS | Red

Enzo Racing

DRC ENZO | Fork Base Valve Wrench Jig | SHOWA AOS | Red

Developed by Enzo Racing
(SKU: ED59-37-203)

$59.99
2 In Stock

DRC ENZO | Cartridge Stand for 20L Pail

Enzo Racing

DRC ENZO | Cartridge Stand for 20L Pail

Developed by Enzo Racing
(SKU: ED59-37-230)

$210.00
7 In Stock

DRC ENZO | Fork Bracket Holder | 20/22/25/26/27mm Axle Sizes

Enzo Racing

DRC ENZO | Fork Bracket Holder | 20/22/25/26/27mm Axle Sizes

Co-developed product with Enzo Racing
(SKU: ED59-37-240)

$65.00
12 In Stock

DRC ENZO | Fork Outer Clamp/Holder | Quick Release

Enzo Racing

DRC ENZO | Fork Outer Clamp/Holder | Quick Release

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

$185.00
3 In Stock

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