What is a nipple? You could name it differently as well. A piece of metal, a screw nut, or what we prefer to call is the connecting point between the rim and spoke. Demand in the market differs a lot. Different mounting systems, rims and colors as well as weight guide you to a wide range of nipples. Producing on most modern machinery, Sapim ensures highest precision and quality. Sapim nipples are designed and manufactured in Belgium. A perfectly designed and manufactured nipples is a secret of a well mounted wheel.