Rear Spring XJR400 XJR400S XJR400R

【HYPERPRO Hyperpro 22033011 Rear Spring for XJR400 XJR400S XJR400R Suspension】
■Rear Spring
Suspension spring with a constant rising rate, uniquely designed by Hyperpro.
The spring rate constantly changes in response to the suspension's movement.
It maintains a state that is neither too soft nor too hard, while also providing the strength to withstand high-load cornering and sudden braking.
●Front springs come with the necessary amount of fork oil.
●Optimizes caster change 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, it does not have a constant spring rate, so it does not resonate.
●Springs wound by computer-controlled machine tools are shot-peened to remove microscopic surface scratches that can lead to performance degradation. Furthermore, after completion, each spring undergoes performance inspection by a tester.
●In the Netherlands, Hyperpro's home base, all emergency motorcycles are equipped with Hyperpro springs.
Compatible models
YAMAHA XJR400 '93-'96
YAMAHA XJR400S '94
YAMAHA XJR400R '95-'97
YAMAHA XJR400R2 '95-'97
Specifications
Spring part number: 249
Preload adjustment: POS 1-2 (18mm)
Sag value: 10mm
Compression adjustment: None
Rebound adjustment: None
Setting remarks: Öhlins clip ring POS2/step ring POS2
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