Best® 7S LU 7000 is a specially formulated product which keeps the system safe and improves the long term performance. Please spread some silicone on the surface of running deck after first 80 ~ 90 hours’ operation. Afterwards, please do the same every 20 ~ 30 hours. Using treadmill lubricant between the running deck & belt reduces the friction and the stress on the motor and the motor control board that help extend treadmill life. It sustains the performence and it’s strength between 50℃-200℃.