Suspension Parts for GASGAS EC 300 6 DAYS 2018 – Shocks, Forks & Upgrades

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

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

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

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All Fitment-Matched Suspension Parts

Browse All 227 Products for GASGAS EC 300 6 DAYS 2018




HiCalibre

HiCalibre Fork Springs 43.8 x 453 (Eibach 968) Common Fitment YZ 125 250 YZ250F 450F 2008

Proudly made in the USA
(SKU: 19-195)
$245.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$245.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$245.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$245.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$245.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$245.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$245.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery

Capelli Race

Shock Oil Seal 18 x 30 x 5 Viton Hi Performance

18mm id x 30mm od x 5mm thick - WP/Showa
(SKU: 22-406-00)
Oil Seal Inside Diameter d (mm):   18.0
Oil Seal Outside Ø D1 (mm):   30.0
Oil Seal Height H (mm):   5.0
$27.50
1476 In Stock