Check the listing for details. SportSmith PreLubed Treadmill Belt fits certain ProForm FrontRunner Model#s. Condition: New. Listed at 99.00 USD. This pre-lubed Sportsmith walking belt fits certain ProForm FrontRunner treadmill model#s*. If it's minimal maintenance you want, this PVC belt with impregnated lubrication requires less attention to make things run smoothly. All Sportsmith belts feature components that make the best when it comes to quality and performance. A top feature of Sportsmith belts is the non-directional, finger splice seam. This means you can install the belt in either direction. This Sportsmith treadmill walking belt fits ProForm FrontRunner* treadmill Model#s PFTL517040 and PFTL517041 User facing material: PVCUser facing surface: Black DiamondImpregnated LubricationFinger-spliced seam1-ply *Some machines with the same name can use different parts. This is why you should always match your model# or serial#.