ProForm Stationary Bike Resistance Spring 398618Condition New Used on the following models: ProForm TOUR DE FRANCE CTC PFEX689191 SMART POWER 10. 0 219200 SMART POWER 10. 0 CYCLE PFEVEX779180 PROFORM CARBON CX BIKE PFEX639190 PROFORM CARBON CX BIKE PFEX639191 PROFORM CARBON CX BIKE PFEX639194 PROFORM CARBON CX BIKE PFEX639195 PROFORM CARBON CX BIKE PFEX63919 INT0 PROFORM CARBON CX BIKE PFEX63919 INT2 PROFORM CARBON CX BIKE PFEX63919 INT3 PROFORM CARBON CX BIKE PFEX63919C0 PROFORM PRO C22 BIKE