Shock Absorber Type 631 Competition Fork Upgrade Kit Use the top-cap threaded rings

Use the top-cap threaded rings to compress the internal springs and set your exact rider sag based on your gear and riding weight

The Wilbers conversion replaces this with linear springs on the shock absorber

and harsh bottoming out

Nevertheless

Shock Absorber Type 631 Competition Fork Upgrade Kit Use the top-cap threaded ringsWith compression tank on a flexible steel hose. The Wilbers Adjustline shock absorber Type 631 is ideal for motorcycles with limited space. The compression reservoir connects to the shock absorber via a flexible steel hose hose length and mounting angles can be chosen individually so the reservoir always finds its optimal position, for example on the rear frame where airflow provides additional cooling. The compression tank houses the screws for