Rear Shock Spring Mainspring for KTM/HQV 2017-2023 EXC - 91010350

This is an OEM rear shock absorber mainspring (mainspring) designed for optimal suspension performance in off-road conditions. It provides progressive damping with rates suited for 59/61, 63/66, and 69-225 specifications. The white-coated steel construction ensures durability and resistance to corrosion.

Compatible with 2023 KTM 150 EXC (EU), 150 XC-W (US), 250 EXC/EXC-F/XC-W/Six Days (EU/US), 300 EXC/XC-W/Erzbergrodeo/Six Days (EU/US), 350 EXC-F/Six Days (EU/US), 450 EXC-F/XCF-W/Six Days (EU/US), 500 EXC-F/XCF-W/Six Days (EU/US); 2022-2020 KTM 150/250/300/350/450/500 EXC/EXC-F/XC-W TPI/Six Days/Erzbergrodeo/Factory Edition (EU/US) and Husqvarna FE 250/350/450/501 (EU); 2019-2017 KTM 125/150/250/300/350/450/500 EXC/EXC-F/XC-W TPI/Six Days (EU/US).

Key features include precise spring rates for rider weight and terrain adaptation, as indicated by the damping specifications. It matches factory settings for reliable handling on enduro and cross-country bikes.

Installation requires disassembling the shock absorber; professional service is recommended to ensure proper preload and damping adjustment.

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