If it's minimal maintenance you're after, these quality PVC running belts with impregnated lubrication require less attention to make things run smoothly.

• This Sportsmith walking belt fits ProForm ZT3*, Model#s PFTL391100, and PFTL391101
  
• User facing material: PVC
• User facing surface: Black Diamond
• Impregnated Lubrication
• Finger-spliced seam
• 1 ply
  

*Some machines with the same name can use different parts. This is why you should always match your serial# or model#.