Ronin Cast 180mm/42.5 Red/Black Skateboard Trucks (Set Of 2) Ronin Cast 180mm 42.5 Degree Red/Black Skateboard Trucks. The same engineering in a more affordable package. Completely interchangable with their precision counterparts, the geometry is nearly identical, but these feature more rake for a quicker turn while retaining a lower (42.5) baseplate angle for high-speed stability.