rubber timing belt high transmission power and efficiency, anti-heat,hit,and oil,low noises, ... , AT10, AT204)8M,5M,14M TYPEPITCH(MM)TOOTH HEIGHT(MM)BELT THICKNESS(MM)ANGLET β°MXL2.0320.511.1040XL5.0801.252.2550L9 ... .202.7050AT1010.02.54.550AT2020.05.08.050 rubber timing belt