Life Fitness REX01HL Resistance Gear Servo Motor Brake Tensioner x1 x3 + Works Bike EllipticalBlue Resistance motor, black connector The white cam may have to be adjusted during install because each machine may have minor differences.  The phillips  center screw in the white cam can be loosened to adjust the cam position. DC Servo Motor Where Used..

Life Fitness T3 T3.0 T35 T5.0 T5.5 Treadmill Motor Speed RPM Sensor Reed SwitchUse on the following models:Life FitnessT3 - T3-XX00-0201 (After SN 1708260)T3.0 - T30-0XXX-01 - Arctic SilverT35 - T35-0000-01 - Arctic SilverT5.0 - T50-0XXX-01T5.5 - T55-0XXX-01..

Life Fitness d&d Main Drive Belt T3 T5 3204201 0101 and 0201 Serials Works TreadmillModel and Serials compatible with Life Fitness T3 - T3-XX00-0101 (Before SN 1708259XX) T3 - T3-XX00-0201 (After SN 1708260) T5 - T5-XX00-0101 (Before SN 1699619XX) T5 - T5-XX00-0201Features of Life Fitness d&d Main Drive Belt T3 T5 3204201 0101 and 0201 Serials Work..