Shock Absorber Type 644 WESA FrontWESA After extensive development, we successfully united Wilbers suspension technology with BMWs ESA in early 2010. The result: first class motorcycles paired with individually configured suspension for a next level riding experience. Whether stock height or up to 80 mm of lowering, we tailor the setup to your weight and riding style so you can confidently put both feet on the ground. You keep the convenient ESA cockpit adjustments with the