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 running belt fits SportsArt 6310 treadmills
  
• User facing surface: Black Diamond
• User facing material: PVC
• Impregnated Lubrication
• Finger-spliced seam
• This means you can install in either direction
  
• 2 ply
  

Where used:

• Parts by Type Treadmill Belts
• Parts by Brand SportsArt Treadmills 6310 All