【Product Introduction】 The first image is the product. These are the tires and parts attached to the underside of the Dyson motorhead. 【Compatible Models】 The proven models are those equipped with the soft roller cleaner head. It may also be compatible with other models. (If you are considering replacing the tires on other models, please check the following warranty details.) 【Tire Size】 Outer diameter: 12.4 mm Inner diameter: 3.5 mm Width: 9.85 mm Please refer to the blog above for how to remove them. If the tires deteriorate, they may scratch flooring and tatami mats, so they need to be replaced regularly. 【Replacement Method】 We have detailed instructions on how to replace them in the blog, so please be sure to check it before purchasing. You can search by entering the following URL↓ in a browser such as Yahoo or Google: (URL: fuku-channnel.com) Once you find the blog, enter "Dyson" in the site search to display the relevant article. 【Warranty Details】 If you are considering replacing the tires on models other than the compatible models, the warranty may apply if you do the following two things (the warranty applies to compatible models): 1. Please contact us in the comments with the model you are using. 2. Please provide a photo of the underside of the head (a photo showing the tire part). The warranty will only apply if we determine that it can be installed. If the warranty is applied and it cannot be installed, we will refund you, so please let us know. 【Replacement Frequency】 We recommend replacing them within one year. 【Current Manufacturer Repair】 If you request repairs from the manufacturer, a minimum labor charge of 5,000 yen will be incurred if more than two years have passed since the purchase.