Suspension Parts for HONDA CRF450R 2020 – Shocks, Forks & Upgrades

Discover suspension parts guaranteed to fit the 2020 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 2020 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

Rider Weight

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

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
305 mm

Fork Features

Twin Chamber Fork
Yes

Fork Oil

Fork Oil Weight
SAE 5
Oil Quanity
2 Litres

Fork Spring Information

Spring Rate – Claimed
4.8N

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

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All Fitment-Matched Suspension Parts

Browse All 219 Products for HONDA CRF450R 2020
Showa Genuine Parts

Showa Genuine Parts Rebound Spring L=23mm

Showa Genuine Motorcycle Suspension Parts
(SKU: R38502301)
$14.40
Special Order
Order placed with Showa GPE every 2nd week. 2-3 week delivery if in stock at Showa GPE

Showa Genuine Parts

Showa Genuine Parts SPG Seat Stopper

Showa Genuine Motorcycle Suspension Parts
(SKU: R39500003)
$96.00
Coming Soon
Order placed with Showa GPE every 2nd week. 2-3 week delivery if in stock at Showa GPE

Showa Genuine Parts

Showa Genuine Parts Plug bolt

Showa Genuine Motorcycle Suspension Parts
(SKU: R45300001)
$7.21
Special Order
Order placed with Showa GPE every 2nd week. 2-3 week delivery if in stock at Showa GPE

Showa Genuine Parts

Showa Shock Mount Spherical Bearing - NLA

Showa Genuine Motorcycle Suspension Parts
(SKU: R47500001)
$104.61
Special Order
Order placed with Showa GPE every 2nd week. 2-3 week delivery if in stock at Showa GPE

Showa Genuine Parts

Showa Genuine Parts Hex Nut M12x1.25

Showa Genuine Motorcycle Suspension Parts
(SKU: R55101401)
$7.21
Coming Soon
Order placed with Showa GPE every 2nd week. 2-3 week delivery if in stock at Showa GPE


Showa Genuine Parts

Showa Genuine Parts Spring adjuster nut

Showa Genuine Motorcycle Suspension Parts
(SKU: RF6300005)
$38.40
Special Order
Order placed with Showa GPE every 2nd week. 2-3 week delivery if in stock at Showa GPE

SKF Sealing

SKF 49mm Showa Fork Seal and Wiper Set

Requires 2 kits for complete fork service.
(SKU: SKF49S)
Colour:   Green
Seal Outer Ø D (mm):   60.30
Seal Height H (mm):   10.0
Seal Wiper Outside Ø D1 (mm):   60.60
Seal Wiper Height H1 (mm):   6.0
Fork Inner Tube Ø d (mm):   49.0
$59.95
Coming Soon
Shipped 1 Week