Horizon T101 Model Number TM621 Walking belt Part Number 1000101285

This is the replacement Walking belt for the Horizon T101 treadmill. Model number TM621. Part number 1000101285.. When it comes to replacement walking belts Treadmill Doctor has been a leader in the fitness industry. Our walking belts are made from quality polypropylene materials, 2 ply construction with the backing made of polyester blended material. A warranty for our walking belts is offered depending on your setting you may want to opt for the Lifetime warranty when in a residential setting and the 1-year warranty in a commercial setting.