Parts by spec

Suspension springs

Stock specs for suspension springs, bike by bike, with the source of each value. These are the sizes the bikes left the factory with; check your own bike before ordering.

By bike

Stock suspension springs specs by bike, with sources
BikeStock spec and source
KTM 150 SX 2025 Stock shock spring rate 39 N/mm Owner's manual p. 41
KTM 250 SX-F 2025 Stock shock spring rate 42 N/mm Owner's manual p. 152
KTM 350 SX-F 2025 Stock shock spring rate 45 N/mm Owner's manual p. 44

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