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 running belt fits Gold's Gym 450*, Model#s GGTL036070, GGTL036071, GGTL036072, and GGTL036076
  
• 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#.