Gates G-Force Drive Belt 44G4553 Polaris 600 Pro-RMK 155 2012 2013 2014 2015 Replaces OEM part number: 3211111 Size: 1.438 x 46.75 Outside Circumference (in): 46.75 Outside Circumference (mm): 1187 Top Width (in):1.438 Top Width (mm):37 Gates G-Force Belts are the First of a New Generation of Continuously Variable Transmission (CVT) Belts Identical to OEM, G-Force belts are constructed with double or single cog designs to match the OEM belt