Provides the perfect replacement rail for MX6 / MX8 adsorption side rails for ground pool cleaners. Lower cost compared to Part Number, made of high-quality heavy-duty rubber, which can extend the life of the belt by at least 50%. Guaranteed fit: parts are approved by mechanics to ensure quality meets or exceeds Part Number R0526100, 15.2 cm / 6 inches outside diameter and 5.5 inches inside diameter. Simple installation: no tools required; takes less than 10 minutes to replace the two belts. Save time and money by replacing just the belts instead of the entire machine. Color: black. Material: rubber. Package Contents: 4 x Pool Cleaner Replacement Tires. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item to appear slightly different from the real thing. Measurement allowed error is +/- 1-3 cm.