Suspension Parts for 2018 GASGAS EC 300 6 DAYS Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2018 GASGAS EC 300 6 DAYS. 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 GASGAS EC 300 6 DAYS.

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

75 kg

Engine Specifications

2 Stroke Engine 299.3 cc

FORKS INFO

Fork Manufacturer

: KYB USD 48 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)
Fork Travel: 315 mm

Fork Features

Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 2.5
Fork Oil Level: 350cc mm
Oil Quanity: 2 Litres

Fork Spring Information

Spring Rate – Claimed: 0.42kg/mm
Standard Preload: 7 mm

Fork Comments

: Check floating piston for cracking

SHOCKS INFO

Shock Manufacturer

KYB: 46 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Travel: 131.5 mm
Shock Shaft Outer Diameter: 18 mm
Shock Oil: 2.5 Weight
Wheel Travel: 300 mm

Shock Features

Non-rebuildable: No

Shock Spring Information

Spring Rate - Claimed: 52N kg/mm

Shock Comments

: Shaft size reduced to 16mm in 2019

Fitment-Matched Suspension Parts by Category

FORK COMPRESSION ADJUSTER ASSY

34 Parts

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FORK O-RINGS

18 Parts

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SHOCK BODY PARTS

18 Parts

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SUSPENSION LOCKNUTS & BUSHES

29 Parts

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TOOLS & LUBRICANTS

59 Parts

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All Fitment-Matched Suspension Parts

Browse All 228 Products for GASGAS EC 300 6 DAYS 2018

48mm KYB SKF Mud Scraper

SKF Sealing

48mm KYB SKF Mud Scraper

Removable Scraper
(SKU: KIT-MS48KM)

$55.00
1 In Stock

48mm KYB Fork Seal and Dust Wiper Set 2pc set , Hi performance seal

Capelli Race

48mm KYB Fork Seal and Dust Wiper Set 2pc set , Hi performance seal

one oil seal and one dust seal, buy 2 sets for one bike
(SKU: KYB48Capset)

Oil Seal Inside Diameter d (mm): 48.0

Oil Seal Outside Ø D1 (mm): 58.7

Oil Seal Height H (mm): 4.9

Dust Wiper Inside Diameter d (mm): 48.0

Dust Wiper Outside Ø D1 (mm): 58.2

Dust Wiper Height H (mm): 9.5

$49.95
1159 In Stock

48mm KYB Fork Seal Set 2pc set , Hi performance seal

Capelli Race

48mm KYB Fork Seal Set 2pc set , Hi performance seal

one pair of oil seals only, for one bike
(SKU: KYB48sealset)

Oil Seal Inside Diameter d (mm): 48.0

Oil Seal Outside Ø D1 (mm): 58.7

Oil Seal Height H (mm): 4.9

$49.95
580 In Stock

RCU PISTON BUSH 46.00x11.50x1.20mm KAYABA

K-Tech

RCU PISTON BUSH 46.00x11.50x1.20mm KAYABA

(SKU: PB-46115120)

Height H (mm): 11.50

Outside Ø D (mm): 46.0

Wall Thickness (mm): 1.20

$36.95
5 In Stock

SKF KYB Fork Seal Kit 48mm (Dual Comp)

SKF Sealing

SKF KYB Fork Seal Kit 48mm (Dual Comp)

Requires 2 kits for complete fork service.
(SKU: SKF-DUAL-48K)

Colour: Green/Orange

Seal Outer Ø D (mm): 58.42

Seal Height H (mm): 8.5

Seal Wiper Outside Ø D1 (mm): 58.70

Seal Wiper Height H1 (mm): 4.9

Fork Inner Tube Ø d (mm): 48.0

$69.95
36 In Stock

SKF Fork Bushings Kit 2pcs - 1x Inner 1x Outer - KYB 48

SKF Sealing

SKF Fork Bushings Kit 2pcs - 1x Inner 1x Outer - KYB 48

Genuine SKF Fork Bush Kit
(SKU: SKF-VKWA-KYB48-A)

Fork Inner Tube Ø d (mm): 48.0

External Teflon Bushing Dimensions (mm): 47X49X20

Internal Teflon Bushing Dimensions (mm): 48X52X15

Suspension Brand: Kayaba (KYB)

$44.95
10 In Stock

SKF 48mm KYB Fork Seal and Wiper Set

SKF Sealing

SKF 48mm KYB Fork Seal and Wiper Set

Requires 2 kits for complete fork service.
(SKU: SKF48K)

Colour: Green

Seal Outer Ø D (mm): 58.42

Seal Height H (mm): 8.5

Seal Wiper Outside Ø D1 (mm): 58.70

Seal Wiper Height H1 (mm): 4.9

Fork Inner Tube Ø d (mm): 48.0

$59.95
41 In Stock

InnTeck Outer Guide Fork Bush KAYABA 48mm **can use KYB 110044800202**

Innteck

InnTeck Outer Guide Fork Bush KAYABA 48mm can use KYB 110044800202

KAYABA 48mm 48x52x15
(SKU: SKTI48K)

Inside Diameter d (mm): 48.0

Fork Inner Tube Ø d (mm): 48.0

Height H (mm): 15.0

Outside Ø D (mm): 52.0

Wall Thickness (mm): 2.0

$22.00
26 In Stock

KYB Suspension Tools Cylinder head Front Fork bearing press in/out

Kayaba (KYB) Genuine Motorcycle Parts

KYB Suspension Tools Cylinder head Front Fork bearing press in/out

Original KYB Motorcycle Suspension Tool
(SKU: 000.0520)

$28.60
Special Order

KYB Suspension Tools Piston ring mounting set RCU 46mm

Kayaba (KYB) Genuine Motorcycle Parts

KYB Suspension Tools Piston ring mounting set RCU 46mm

Original KYB Motorcycle Suspension Tool
(SKU: 000.0623)

$169.90
Special Order

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