-25 mm Lowering Rear Shock Spring YSS and spring preload is steplessly

and spring preload is steplessly variable

predictable

Heavy-Duty MX Internals: Features a rugged 12mm hard-chrome shaft and a 36mm piston engineered to withstand the extreme forces of off-road riding

An additional manual feedback adjuster lets you fine-tune comfort and response

so you can tailor chassis feel precisely

-25 mm Lowering Rear Shock Spring YSS and spring preload is steplesslyProgressive 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