Isabella Central Cross G19/22 CarbonX, nylon (1 pcs.) (Part No. 900060253) If you need a replacement Central piece for your G19/22 or 1000cm-1175cm CarbonX frame then the Isabella Central Cross (1 pcs.) as supplied with ventura and isabella awnings, is what you need. Sold in packs of 1, they are a handy spare to have.