How Long will Treadmill Poly-V Drive Belt Last? Horizon Fitness Updated August 25, 2021 20:29 Through our testing on the Poly-V drive belts, we found the belts should last for thousands of maintenance-free hours. Was this article helpful? Yes No 0 out of 0 found this helpful Have more questions? Submit a request Related articles What is Covered Under the Cardio Equipment Warranty? When to Replace a Treadmill Belt What is Not Covered Under the Cardio Equipment Warranty? How Do I Contact Customer Tech Support? What Does Incline Mean on Treadmills? Comments 0 comments Please sign in to leave a comment.