General description vhbw offers a practical set of replacement parts consisting of 4 guide wheels and 2 pulleys designed for swimming pool robots. If the wheels of your pool robot are worn or damaged, it can lead to decreased performance, causing it to slip and clean less effectively. This replacement set allows for a quick restoration of your pool robot's performance without incurring high repair costs or experiencing long downtimes. The spare parts are made from durable, chlorine-resistant plastic, ensuring a long service life. Technical specifications Guide wheels: External diameter: 52 mm Internal diameter: 30 mm Height: 24 mm Pulleys: External diameter: 51 mm Internal diameter: 16 mm Height: 27.5 mm Material: plastic / metal Colour: white Weight: 300 g Compatibility and accessories Compatible with Maytronics Dolphin SPORA PREMIUM, Swell M, X55, X60 Replacement for 3884997-R3, 3884997-R6 Installation Installation is straightforward and does not require any special tools, allowing