See the latest stock level via the link. There is a lot of demand for this product and it is extremely sought after among motorcycle enthusiasts. We show the spare 18310-MZ2-891ZB under the name "MUFF.COMP*TYPE17*. It is quite possible that you will come across it under a later name. We recommend that you only look at the part number. Check the models to see if this product is suitable for your motorcycle.