Since we have no idea what bike you are talking about if it's a BMW check out the MAX BMW parts fiche for the year, make/model to find what you need.
BMW Motorcycle Parts | Catalog Parts Online | MAX BMW Motorcycles
MAX BMW Motorcycles offers an extensive BMW Motorcycle Parts fiche. OEM BMW Motorcycle Parts and Accessores can be ordered online for fast delivery. View our detailed BMW Motorcycle Parts diagrams and locate the part that you need efficiently.