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

• This Sportsmith treadmill walking belt fits ProForm 725* treadmill Model#s PFTL72570, PFTL72571, PFTL72572, PFTL72573, PFTL72580, PFTL72581, PFTL72582, PFTL72583, and PETL72590
  
• 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 model# or serial#.