Schrader valve Another style of valve located on your tire to allow inflation. This is the same type of valve that car tires have. It may also be located on the components of an air suspension bike, for example, the front or rear shocks. Seatpost The post to which the saddle is attached. The seat post fits into the downtube, and usually has a quick release lever for adjustments.
Some seat posts have a built-in shock absorber.
Skewer A hub quick release or a shaft passing through a stack of elastomer bumpers in a suspension fork. Spokes Metal rods that connect to hub to the rim of a wheel. These come in many different shapes and sizes, and sometimes can be difficult to match up. This is a circular, multiple toothed piece of metal that engages a chain. Also called a cog, freewheel, or chainring.