double side timing belts for industry use MXL,XL,L,H,XH,XXH,T2.5,T5/ ... . 2M/S2M/RP2M,3M/S3M double sided timing belts for industry useSynchronous belts are one of the most important part of ... transmission drives, which exhibits important properties such as fixed speed ratio, no re-tensioning after installation, low maintenance with wide variety ...