General description vhbw offers a practical set of replacement parts consisting of 4 guide wheels and 2 pulleys for Maytronics Dolphin pool vacuum cleaners. If the wheels of your pool robot are worn or damaged, it can lose performance, resulting in slipping, reduced mobility, and less effective cleaning. This replacement set allows you to quickly restore your pool robot's performance without incurring high repair costs or experiencing long downtimes. The spare parts are made of 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 Cosmos 20, EX45, Easy Comfort, Evolution 40, Explorer Replacement for 3884997-R3, 3884997-R6 Installation Installation is straightforward and does not