Economy quality treadbelt used on Life Fitness models: TR5500 S/N 266037-273953, TR5500 S/N 273954 & Up, TR8500 Classic S/N 352000-353476, TR8500 Classic S/N 354705-357699, TR8500 Classic S/N 357700 and Up.

NOTE: These treadbelts require lubrication on them. Failure to apply a new deck surface and coat of lubrication will void the warranty.