... , reasonable price 3. No noise, high efficiency NOVO's timing pulley:1. Plain bore: MXL, XL, L, H; T2.5, T5 ... most competitive in European market 2.Material:Plastic 3.Belt pulley, non-standard or standard ,OEM availableWhat we have: Our factory ... qualityCertification:We've been ISO9001:2000 certified since 2003. Timing pulley High quality Low price