This part connects the wheel, brake and suspension. The silver upright is machined Aluminium, the hub axle is Titanium. It weighs 3.2kg
The hub is 180mm long, 130mm dia at its widest, with a min bore of 55mm dia. It sits in two SKF bearings
Being a 2009 car the hub is set up to support the non-spinning wheel fairing, the bracket is missing here and also supports the pushrod for a POU set up