Heat is one of the major detriments to the performance and longevity of any shock
absorber. Conventional twintube designed shocks trap the heat within the shock body
and do not let it adequately dissipate, making them prone to heat build-up, fade and
eventual failure.
By contrast, BILSTEIN’s superior monotube high gas pressure design allows the
excessive heat from the oil to transfer to the outer surface of the shock body and
dissipate more efficiently. The dividing piston also permits the oil to expand as heat
builds, preventing aeration (foaming) and viscosity loss. This allows the shock to
maintain full damping characteristics as temperatures rise.