-20 mm Lowering Rear Shock Spring Spring Color:Purple adjusting both spring rate and

adjusting both spring rate and damping

the compression reservoir can be rotated up to 360°

The stainless steel steering angle reduction plate prevents the brake and clutch master cylinders from contacting the fairing

and sliding behavior compared with the natural nanometer-thin oxide layer

-20 mm Lowering Rear Shock Spring Spring Color:Purple adjusting both spring rate andProgressive lowering rear spring. With the use of the progressive rear spring it is possible to lower a bike and also improve the ride quality at the same time. The rear spring is mounted on the original shock and is used on motorcycles which have no link system