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Suspension Parts for the KTM 400 LC4 SX – Shocks, Forks & Upgrades

Explore suspension components suited to the KTM 400 LC4 SX. All items shown including fork parts, shock components, shims, upgrades, suspension systems, chassis parts, and servicing tools and fluids are selected based on confirmed KTM 400 LC4 SX fitment specifications.

For the most precise results, choose your year below to view parts matched to the exact fork and shock setup used on your bike.

HiCalibre

HiCalibre Shock Spring 59 x 250 Common Fitment KTM 620 640 LC4

Proudly made in the USA
(SKU: 20-075)


Teknik Motorsport

Bump Stop Rubber 14 x 43 x 39

14mm id x 43mm od x 39mm tall - Showa
(SKU: 22-200-00)
Shock Shaft Ø D (mm):   14.0
Height H (mm):   39.0
Outside Ø D (mm):   43.0
$22.00
209 In Stock
















Teknik Motorsport

Outer Guide Bush 50 x 25 x 2.5 (Pair)

50mm id x 25mm tall x 2.5mm thick
(SKU: 24-514-00)
Inside Diameter d (mm):   50.0
Fork Inner Tube Ø d (mm):   50.0
Height H (mm):   25.0
Outside Ø D (mm):   55.0
Wall Thickness (mm):   2.5
$55.00
Nil Stock
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Inner Slide Bush 50 x 20 x 1.0

50mm od x 20mm tall x 1.0mm thick
(SKU: 24-688-00)
Inside Diameter d (mm):   48.0
Fork Inner Tube Ø d (mm):   50.0
Height H (mm):   20.0
Outside Ø D (mm):   50.0
Wall Thickness (mm):   1.0
$22.28
Nil Stock
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