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

• This Sportsmith treadmill running belt fits Precor 9.21s and 9.21si* treadmills, Serial#s F6 and 2Y
• User facing surface: Black Diamond
• User facing material: PVC
• Impregnated Lubrication
• No need to apply lube during belt replacement
• 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#.