... reasonable price 3. No noise, high efficiency NOVO's timing pulley:1. Plain bore: MXL, XL, L, H; T2 ... L, H, XH; HTD 5M, 8M,14M.3. Material: Aluminium, Cast Iron, Steel.4. Surface Treatment: Black, Phosphate, Zinc ... competitive in European market 2.Material:Plastic 3.Belt pulley, non-standard or standard ,OEM availableWhat we have: ... ISO9001:2000 certified since 2003. Timing pulley High quality Low price