Rear Shock Mainspring 75-180.0 White for KTM 990 Duke R/RC - S80980002500020

This is an OEM mainspring (59) for the rear shock absorber, rated at 75-180.0 N/mm in white. It provides the primary spring force for optimal suspension performance and handling in high-performance motorcycles.

Compatible with 2026 KTM 990 DUKE R (EU/US), 2026 KTM 990 RC R black/orange (EU/US), and 2025 KTM 990 DUKE R white (EU/US). This mainspring is a direct OEM replacement for these KTM models.

Designed for durability under racing conditions, the white finish resists corrosion and matches factory aesthetics. Ensures consistent spring rate for precise damping and rider control.

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