Comstar wheel Disassemble" stamped on the wheel rim alongside other markings such as the fitment size. For its use on the NR500 GP machine, the wheels were made from magnesium with titanium used for the fasteners. Composite wheels were also cheaper to produce than their cast alloy equivalents. From the early 1980s Honda had begun equipping newer models with cast wheels called ComCast stating "...that technology has solved the casting porosity problem and that cast wheels are now used on Hondas for styling and marketing reasons". ComCast wheels were a combination of pressed-together cast aluminium hub and spokes with a hollow extruded
Rim joist Rim joist In the framing of a deck or floor system, a rim joist is attached perpendicular to the joists, and provides lateral support for the ends of the joists while capping off the end of the floor or deck system. Rim joists are not to be confused with end joists, which are the first and last joists at the ends of a row of joists that make up a floor or deck frame. A rim joist's relationship to the joists is similar to what the top or bottom wall plate is to the studs. It is also confusingly called