Check the listing for details. Zodiac MX8/MX6 Elite and Original Models Wheel Speed Indicator. Color: Yellow, Condition: New. Listed at 8.95 USD. Zodiac MX8/MX6 Elite and Original Models Wheel Speed Indicator (R0596100)The wheel speed Indicator is a replacement part made by Zodiac. It is made from the same high-grade materials as the original factory part. Making this a genuine OEM product. This part was made with the idea of having an Indicator that helps the customer with adjusting their pool system correctly to match the proper speed needed for the cleaner to operate. The wheels need to rotate at the right speed so that way the cleaner can maneuver around the entirety of the pool's surface while effectively cleaning it. This wheel speed indicator is Yellow and is located on the rear wheel. It is also found on the body panel, right (B) side of the cleaner, making it easy to locate when needing to be replaced.