This is a Treadmill Doctor Replacement Drive Belt Part Number 0K60-01227-0000 Used on the Following Life Fitness and Cybex Models Listed Below.

Cybex-
R-Series_CRT-ALLLX-SW01
R-Series_CRTE-ALLHX-01
R-Series_CRTE-ALLLX-SW01
V-Series_CVT-ALLHX-0101
V-Series_CVT-ALLHX-2401
V-Series_CVT-ALLLHX-0101
V-Series_CVT-ALLLHX-2401

Lifefitness-
90T_ATR100000 
90T_ATY100000 
90T_TTA100000 
90T_TTT100000 
90TW_TWB100000 
90TW_WTA100000 
91T_ATX100000 
91T_ATZ100000 
91T_TTB100000 
91TW_TWD100000 
91TW_WTF100000 
Activate_OST100000 
T9i_CTI100000 
TR8500_MTB100000 
TR9000_CTB100000