rubber timing belt high transmission power and efficiency, anti-heat,hit,and oil,low noises, anti-chemical corrod... rubber timing belt1), L, H, XH, XXH, XXL 2) T2.5, T5, T10, T20 3) AT5, AT10, AT204)8M,5M,14M TYPEPITCH(MM)TOOTH HEIGHT(MM)BELT THICKNESS(MM)ANGLET β°MXL2.0320.511.1040XL5.0801.252.2550L9.5251.903.5040H12.7002.304.3040XH22.2256.3011.3040XXH31.7509.6015.8040 XXL 3.175 0.76 1.52 40T2. ...