PARTS NUMBER--R0526100 MX8 / MX6 / MX8 Elite / MX6 Elite Swimming Pool Cleaner Replacement Tire Track Wheel. Package includes 2 pieces. FIRM GRIP - This heavy-duty rubber R0526100 Track exact replacement is threaded and resistant to slippery, gives your pool cleaner perfect grip for better and convenient functionality. EASY To Install - The track replacement may wear down over time from normal use. To replace, simply pull the tracks off of the panel and push the new trackback on. No the special tool is required, save your time and money. WARM TIP - When installing the tire, please use a hair dryer to heat it or leave it in the sun for a period of time. It will be easier to put on new tires. BUY WITH CONFIDENCE--If you meet any quality or other problems, please feel free to contact us through amazon email or question and answers, we will solve it in 24 hours. 30 days return and exchange supported. HIGH COMPATIBILITY: Exactly fit for Zodiac MX8, MX8 Elite pool cleaner, and MX6, MX6 Elite pool cleaner. Replace R0526100 Zodiac Track