Front spring lowering approximately 30mm for 390 Duke

【HYPERPRO Hyperpro 22093760 Front Spring Lowdown Approx. 30mm 390 Duke Suspension Fork Spring】
■Front Spring
A unique low-down spring from Hyperpro that lowers the vehicle height by changing the rate and adjusting the oil level, without significantly altering the free length of the spring.
Enjoy the smooth ride of the constant rising rate, which softly absorbs shocks and firmly supports at the end of the stroke.
The front spring comes with the necessary amount of fork oil.
Compatible models
KTM 390 DUKE '17-'20
Specifications
Lowdown: Approx. 30mm
Spring material number: 1515
Fork oil viscosity/oil level: SAE7.5/90mm
Preload adjustment: No adjustment
Sag value: 55mm
Compression adjustment: No adjustment
Rebound adjustment: No adjustment
Setting remarks: Fork protrusion 15mm.
*When using the side stand, please stop on a flat surface with the vehicle in first gear. (The vehicle will be more upright than normal due to the lowdown setting.)
*The vehicle balance changes significantly after installation. Please make sure to adjust the front and rear settings before riding.
*Lowdown parts are considered specified parts, so no structural modification procedures are required.
*For lowdowns of 30mm or more, a short side stand may be required depending on the vehicle condition. For models with preload adjustment, please adjust the lowdown amount to a level where the side stand can be used.
*Images are for illustration purposes only, and the design and specifications of the products shown may change without prior notice. Please understand.