The wheels and decelerator modules are simply screwed onto the frame in place of the rear wheels. Each module on each side can be activated or deactivated. Each module can be reduced or increased in speed by means of a tightening knob. The rear passage width will be increased by 5 cm. The kit includes 2 rear wheels and 2 decelerator modules.
Product only compatible with rollators Athlon, Server and < a href="/rollator-appui-antebrachial-navigator.htm">Navigator.