Rear monoshock BITUBO VXU with separate chamber for BMW ESA

These kits add to the BMW ESA system a better hydraulic feedback and a performance stability that are typical of a product made without compromise. More, the hydraulic braking adjustment in high and low speed, grants high level customized adjustment. Hydraulic braking adjustment high and low speed, grants high level customized adjustment.

VXU 90 original spring, very good improvment, very good price quality level.

VXU 91 BITUBO spring available in different K rate, good adjustment on your how needs.

TECHNICAL FEATURES VXU90:

REAR SUSPENSION with piggy back: Original spring, with adjustments: Preload, Rebound, Lenght, Compression.

TECHNICAL FEATURES VXU91: REAR SUSPENSION with piggy back: BITUBO spring with adjustments: Preload, Rebound, Lenght, Compression.

BOX INCLUDES: specific assembly instruction.