... quality; Scale production lowest pric Reach Jiayuan Machinery timing belt /pulley with below specifications:Reach Jiayuan Timing Belt Pulley specifications:1.Straight-bore: MXL,XL ... ;2.Taper-bore: L,H,XH,5M,8M,14M;3.Timing pulley bar: MXL,XL,L,T2.5,T5,T10,AT5 ... , low maintainance;4. lowest radial load on it's support Timing Belt