Rear Spring 390 Duke

【HYPERPRO Hyperpro 22093771 Rear Spring 390 Duke Suspension】
■Rear Spring
A suspension spring with a constantly rising rate, uniquely designed by Hyperpro.
The spring rate constantly changes in accordance with the suspension's movement.
It maintains a state that is neither too soft nor too hard, and also has the ability to withstand high-load cornering and sudden braking.
●Front springs come with the necessary amount of fork oil.
●Optimizes changes in caster during braking before a corner, making it easier to transition to the next action. Absorbs small bumps during cornering, eliminating vibrations that interfere with the rider.
●Unlike ordinary springs, there is no constant spring rate, so there is no resonance.
●Springs wound by computer-controlled machine tools are shot-peened to remove microscopic scratches on the surface that can lead to performance degradation. Furthermore, after completion, each spring undergoes a performance inspection by a tester.
●In the Netherlands, Hyperpro's home base, Hyperpro springs are installed on all emergency motorcycles.
Compatible models
KTM 390 DUKE '17-'20
Specifications
Spring part number: 1296
Preload adjustment: POS. 3
Sag value: 10mm
Compression adjustment: None
Rebound adjustment: None
*The image is for illustration purposes only, and the design and specifications of the product shown may change without prior notice. Please be aware.