SB DISTRIBUTION LTD Life Fitness Treadmill Running Belt - OEM Grade Thermoplastic Polyurethane Material (TPU) - Aftermarket - Maintenance Free - No Lubrication Life Time. Elevation Series   exercise-treadmill-replacement-parts. Aftermarket replacement Treadmill Maintenance Free TPU Belts. Walking/Running Belt Maintenance Free. No Lubrication or Wax for life time. Less abrasion of belt’s pulley side and sliding deck Low operational cost, reduced down time, Long Belt life