Serpent have release some new aluminium optional parts for their S811 Cobra buggy. Starting with this lower suspension bracket, which is a 2.5 for the rear and 4.5 when used on the rear. Made from anodised 7075 T6 aluminium it is a very strong part and will accept the standard composite inserts. Also new are these precision machined aluminium posts for the rear wing-mount, replacing the standard composite ones. Finally, also for the wing are these nicely machined lightweight aluminium rear wing support washers.