Shock Absorber Type 634 WESA Front Streetbox the Wilbers upgrade delivers a

the Wilbers upgrade delivers a much smoother and more sensitive fork response

We replace the stock linear fork springs with progressive units for improved initial compliance and greater reserve in the second rate

We also refine rebound and compression damping

allowing you to make adjustments for weight changes without using a tool

so your OEM suspension must be sent in for conversion (or processed by a trained dealer)

Shock Absorber Type 634 WESA Front Streetbox the Wilbers upgrade delivers aWESA After an extensive development period, we successfully combined Wilbers suspension technology with the BMW ESA system at the beginning of 2010 a perfect union of innovation and performance. From now on, you have every option: combine a first class motorcycle with the worlds best custom suspension products for a truly exceptional riding experience. Enjoy a completely new level of touring comfort and fulfill your dream of the ideal motorcycle.