Suspension Parts for 2018 SUZUKI RM-Z450 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2018 SUZUKI RM-Z450. 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 SUZUKI RM-Z450.

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 Shock Spring Rate

55

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 450 cc

FORKS INFO

Fork Manufacturer

Fork Type: 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

SHOCKS INFO

Shock Manufacturer

Shock Type: Showa 42 mm ID

Shock Dimensions

Nitrogen Pressure: 165 psi
Shock Shaft Outer Diameter: 16 mm
Shock Oil: 5 Weight

Shock Spring Information

Spring Rate - Claimed: 55 kg/mm

Fitment-Matched Suspension Parts by Category

FORK UPGRADE PARTS

12 Parts

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FORK SEALS & BUSHES

18 Parts

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FORK COMPRESSION ADJUSTER ASSY

17 Parts

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FORK CARTRIDGE ROD PARTS

15 Parts

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SHOCK SEAL CASE PARTS

17 Parts

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SUSPENSION LOCKNUTS & BUSHES

21 Parts

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TOOLS & LUBRICANTS

19 Parts

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All Fitment-Matched Suspension Parts

Browse All 186 Products for SUZUKI RM-Z450 2018

Zeta Racing Rear Shock Suspension lowering Kit. 46 and 50mm KYB Showa Sachs

DRC Zeta Hardware

Zeta Racing Rear Shock Suspension lowering Kit. 46 and 50mm KYB Showa Sachs

(SKU: ZE56-322)

From $49.95

Colour: Blue
Shock Bore Ø D (mm): 46.0

$49.95
2 In Stock

Colour: Red
Shock Bore Ø D (mm): 50.0

$60.50
2 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)

From $249.94

Spring Rate: 0.45 kg/mm

$249.94
1 In Stock

Spring Rate: 0.47 kg/mm

$249.94
2 In Stock

Spring Rate: 0.51 kg/mm

$249.94
2 In Stock

Spring Rate: 0.53 kg/mm

$249.94
2 In Stock

Eibach EMS Moto Rear Shock Spring Kit 63.9/66.4 x 249 Showa 50. Honda CRF 250 450 RMZ450 (64_66-240 and 20-133)

Eibach Suspension Technology

Eibach EMS Moto Rear Shock Spring Kit 63.9/66.4 x 249 Showa 50. Honda CRF 250 450 RMZ450 (64_66-240 and 20-133)

Made in the USA (QS9000) or Germany (ISO16949)
(SKU: 899)

From $249.94

Spring Rate: 4.5 kg/mm

$249.94
2 In Stock

Spring Rate: 4.7 kg/mm

$249.94
1 In Stock

Spring Rate: 4.9 kg/mm

$249.94
4 In Stock

Spring Rate: 5.1 kg/mm

$249.94
1 In Stock

Spring Rate: 5.5 kg/mm

$249.94
1 In Stock

Spring Rate: 5.7 kg/mm

$249.94
1 In Stock

HiCalibre Fork Springs 44.8 x 470 Common Fitment 49 SHOWA USD

HiCalibre

HiCalibre Fork Springs 44.8 x 470 Common Fitment 49 SHOWA USD

Proudly made in the USA
(SKU: 19-220)

From $245.00

Spring Rate: 0.38 kg/mm

$245.00
2 In Stock

Spring Rate: 0.40 kg/mm

$245.00
2 In Stock

Spring Rate: 0.42 kg/mm

$245.00
2 In Stock

Spring Rate: 0.43 kg/mm

$245.00
Special Order

Spring Rate: 0.44 kg/mm

$245.00
1 In Stock

Spring Rate: 0.45 kg/mm

$245.00
Special Order

Spring Rate: 0.46 kg/mm

$245.00
1 In Stock

Spring Rate: 0.48 kg/mm

$245.00
3 In Stock

Spring Rate: 0.50 kg/mm

$245.00
2 In Stock

Spring Rate: 0.58 kg/mm

$245.00
Special Order

Spring Rate: 0.52 kg/mm

$245.00
Special Order

Spring Rate: 0.54 kg/mm

$245.00
1 In Stock

Spring Rate: 0.56 kg/mm

$245.00
Special Order

Spring Rate: 0.70 kg/mm

$245.00
Special Order

Spring Rate: 0.68 kg/mm

$245.00
Special Order

Spring Rate: 0.66 kg/mm

$245.00
Special Order

Spring Rate: 0.64 kg/mm

$245.00
2 In Stock

Spring Rate: 0.62 kg/mm

$245.00
2 In Stock

Spring Rate: 0.60 kg/mm

$245.00
1 In Stock

Teflon Shaft Bushing - 16 x 18 x 14

Teknik Motorsport

Teflon Shaft Bushing - 16 x 18 x 14

16mm id x 18mm od x 14mm Length
(SKU: 22-076-14)

Inside Diameter d (mm): 16.0

Height H (mm): 14.0

Outside Diameter d (mm): 18.0

$2.75
1000 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
Nil Stock

InnTeck Outer Guide Fork Bush SHOWA 49mm **can use Showa F27504901**

Innteck

InnTeck Outer Guide Fork Bush SHOWA 49mm can use Showa F27504901

SHOWA 49mm 49x52x15
(SKU: SKTI49S)

Inside Diameter d (mm): 49.0

Fork Inner Tube Ø d (mm): 49.0

Height H (mm): 15.0

Outside Ø D (mm): 52.0

Wall Thickness (mm): 1.5

$22.00
Nil Stock

Krooztune Showa 32 Fork Piston Kit Suzuki RMZ450 18-24

Krooztune

Krooztune Showa 32 Fork Piston Kit Suzuki RMZ450 18-24

Proudly made in Australia
(SKU: KT-SHOWA32PK-S)

$419.95
Nil Stock

Krooztune Suzuki RMZ250/450 Adjustable Lowering Linkage 18-20

Krooztune

Krooztune Suzuki RMZ250/450 Adjustable Lowering Linkage 18-20

Proudly made in Australia
(SKU: KT-RMZ4LL30)

Seat Height Change (mm): -30

$229.96
Nil Stock

KYB Factory Axle bracket KIT RMZ 16-24 Left

Kayaba (KYB) Genuine Motorcycle Parts

KYB Factory Axle bracket KIT RMZ 16-24 Left

Genuine KYB Factory Race Parts
(SKU: 60012007)

$532.40
Special Order

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