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

• This Sportsmith treadmill running belt fits Cybex 425T LCX* treadmills, Serial#s A0901-Current, and X11 - Current
  
• User facing surface: Black Diamond
• User facing material: PVC
• Impregnated Lubrication
• 2 ply
  

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