The Plastiqual wheel hubs are made to fit the standard round base bar( 28.5mm) (1-1/8 inch) which are secured using three grub screws.
The wheels are simply fitted or removed from the base bar by splitting the wheels using the integrated knobs.
The diameter of the wheels are approximately 160mm
Price: A$130.00 Inc GST
Replacement Hub: A$30.00 Inc GST