Steering Column Bearing Rovoron Kullter, Rovoron Luxury es The 140 mm brake disc

The 140 mm brake disc is a precision rotor sized for compact braking systems

Lower stem (bas de potence) replacement engineered for the Dualtron folding and steering assembly

Designed to match OEM attachment points for Storm variants

Replacement fit preserves range expectations and supports the vehicle's nominal electrical specifications

and signal terminals match OEM throttle and motor interfaces for reliable operation on Ultra 2

Steering Column Bearing Rovoron Kullter, Rovoron Luxury es The 140 mm brake discThe steering column bearing provides axial and radial support for the head tube assembly, enabling smooth rotational movement of the handlebars. Engineered to interface with the headset races, the bearing maintains controlled clearance and reduces play in the steering column when properly installed. Suitable for maintenance or replacement where steering feel has degraded, the bearing is intended to fit directly into the original headset bore and works