PSM has released this optional carbon fibre chassis for the Yokomo B-Max4 III car. This carbon fibre version is a direct replacement for the stock alloy one and is 2.5mm thick. Lightweight at only 73.5g it is suggested that it is used outdoors and comes with two carbon fibre chassis stiffeners.
PS01612 PSM Main Chassis M1, Carbon 2.5mm (1)
Source: PSM