This pre-lubed Sportsmith walking belt fits certainProForm 520 treadmill model#s. ThisSportsmith treadmill walking belt fitsProForm 520 treadmill Model#sPFTL59020 ,PFTL59021 ,PFTL59022, and PFTL59023.
Sportsmith Prelubed Treadmill Belt fits certain Golds Gym Crosswalk 650 Model#s
Sportsmith Prelubed Treadmill Belt fits certain ProForm 3.8 Model#s
Sportsmith Prelubed Treadmill Belt fits certain ProForm AudioTrainer Model#s
Sportsmith PreLubed Treadmill Belt fits certain ProForm 770 Model#s
Sportsmith Prelubed Treadmill Belt fits certain Matrix T7x, T7xe, T7xi Serial#s
Sportsmith PreLubed Treadmill Belt fits StarTrac 4000, Serial#s Up to 403999
