Compatible with these Proform MODELS: Cardio Smart - PFTL981130 Endurance S9 - PETL997140 Endurance S9 - PETL997141 Endurance S9 - PETL997142 Endurance S9 - PETL997143 Performance 1450 - PETL127140 Performance 1450 - PETL127141 Performance 1450 - PETL127142 Performance 1450 - PETL127143 Performance 600c - PFTL795130 Performance 600c - PFTL795131 Performance 600c - PFTL795133 Performance 600c - PFTL795134 Performance 600i - PFTL795150 Performance 600i - PFTL79515C0 Power ZT8 - PFTL791130 Power ZT8 - PFTL791132 Sport 7.0 - PFTL790140 Trainer 8.0 - PFTL890150 XT 70 - PFTL050990 XT 70 - PFTL050991 XT 90 - PFTL080990