Shock Absorber Main Spring 90-170 White for KTM RC4 R - 91010409

This is an OEM main spring for the shock absorber, rated 90-170 N/mm. It provides the primary suspension support and progressive damping for rear shock performance. The white-coated spring ensures durability in demanding riding conditions.

Compatible with KTM RC4 R models from 2020-2023, including 2020 KTM RC4 R, 2022 KTM RC4 R, and 2023 KTM RC4 R. This is a direct OEM replacement for the shock absorber main spring.

Made with high-strength steel and a white finish for corrosion resistance. The 90-170 rating suits sportbike setups for balanced handling and comfort.

Installation requires disassembling the shock absorber; professional service recommended for proper preload and sag adjustment.

Check compatibility list below to see if this part fits your motorcycle model.