1. Replacement wheels for Xiaomi for Roborock S50 S51 S55 Robots.2. for best results, wheels should be replaced every 1 - 3 months.Colour:white + blackMaterial:Plastic + MetalSize:5 x 5cmPackage Contents:1 * filterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
