Suspension Parts for 2024 RIEJU MR Racing 300 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2024 RIEJU MR Racing 300. 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 2024 RIEJU MR Racing 300.

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

Bike Type

OFFROAD

Ideal Rider Weight

83 kg

FORKS INFO

Fork Manufacturer

Fork Type: KYB USD 48 mm OD

Fork Features

Twin Chamber Fork: Yes

SHOCKS INFO

Shock Manufacturer

Shock Type: KYB 46 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Shaft Outer Diameter: 16 mm
Standard Sag: 103 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 2.5 Weight
Standard Preload: 24

Shock Features

Non-rebuildable: No

Shock Comments

: Replace alloy shock collars with steel if binding.

Fitment-Matched Suspension Parts by Category

FORK COMPRESSION ADJUSTER ASSY

34 Parts

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FORK CARTRIDGE ROD PARTS

20 Parts

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FORK O-RINGS

19 Parts

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SUSPENSION LOCKNUTS & BUSHES

29 Parts

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TOOLS & LUBRICANTS

30 Parts

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All Fitment-Matched Suspension Parts

Browse All 189 Products for RIEJU MR Racing 300 2024

Krooztune KYB HIGH SPEED COMP PISTON

Krooztune

Krooztune KYB HIGH SPEED COMP PISTON

Proudly made in Australia
(SKU: KT-KYBHSCP)

$62.95
Nil Stock

KYB Genuine Single Linear Rate Fork Spring - 44od x 454mm

Kayaba (KYB) Genuine Motorcycle Parts

KYB Genuine Single Linear Rate Fork Spring - 44od x 454mm

Original KYB Motorcycle Suspension Spring
(SKU: 11005-44-454)

From $159.72

Spring Rate: 4.0 N/mm

$159.72
8% OFF RRP $172.79 Special Order

Order placed with KYB every week. 3-4 week delivery if in stock at KYB.

Order placed with KYB every week. 3-4 week delivery if in stock at KYB.

Spring Rate: 4.4 N/mm

$159.72
8% OFF RRP $172.79 Special Order

Spring Rate: 4.6 N/mm

$159.72
8% OFF RRP $172.79 Special Order

Spring Rate: 4.8 N/mm

$159.72
8% OFF RRP $172.79 Special Order

Spring Rate: 5.0 N/mm

$159.72
8% OFF RRP $172.79 Special Order

Spring Rate: 4.2 N/mm

$159.72
8% OFF RRP $172.79 Special Order

Kayaba (KYB) Genuine Motorcycle Parts

O-ring

Original KYB Japan Motorcycle Suspension Parts
(SKU: 150290000701)

$4.86
Special Order

Outertube comp GasGas 18-

Kayaba (KYB) Genuine Motorcycle Parts

Outertube comp GasGas 18-

Original KYB Japan Motorcycle Suspension Parts
(SKU: 110754804901)

Outside Ø D (mm): 54.0

Length L1 (mm): 569

Outside Ø D1 (mm): 59.2

$641.85
Special Order

Packing Base valve YZ65 19-, YZ85 02-15, CRF450

Kayaba (KYB) Genuine Motorcycle Parts

Packing Base valve YZ65 19-, YZ85 02-15, CRF450

Original KYB Japan Motorcycle Suspension Parts
(SKU: 110810000201)

$6.97
Coming Soon

Piston rebound ff YZ125/250 06-,KX450F07-12

Kayaba (KYB) Genuine Motorcycle Parts

Piston rebound ff YZ125/250 06-,KX450F07-12

Original KYB Japan Motorcycle Suspension Parts
(SKU: 110600001801)

$72.53
Special Order

Piston rod ff compression KX250F 20-,YZF10-,YZ15-

Kayaba (KYB) Genuine Motorcycle Parts

Piston rod ff compression KX250F 20-,YZF10-,YZ15-

Original KYB Japan Motorcycle Suspension Parts
(SKU: 110330000401)

$146.07
Special Order

Piston rod rcu STD GasGas 18-

Kayaba (KYB) Genuine Motorcycle Parts

Piston rod rcu STD GasGas 18-

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120380003401)

Shock Shaft Ø D (mm): 18.0

Shaft Valve Diameter Ø d (mm): 12.0

$218.11
Special Order

Rear Shock KYB Oil K2C 1L

Kayaba (KYB) Genuine Motorcycle Parts

Rear Shock KYB Oil K2C 1L

Genuine Kayaba Factory Oil
(SKU: 130020010101)

Pack Size: 1 L Pack

$48.96
Special Order

Rear Shock KYB Oil K2C 200L

Kayaba (KYB) Genuine Motorcycle Parts

Rear Shock KYB Oil K2C 200L

Original KYB Suspension Lubricants
(SKU: 130022000101)

Pack Size: 200 L Drum

$8,088.49
Special Order

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