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 Horizon CST3.5X, serial# TM203*
• User facing material: PVC
• User facing surface: Black Diamond
• Impregnated Lubrication
• 1 ply

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