... price 3. No noise, high efficiency NOVO's timing pulley:1. Plain bore: MXL, XL, L, H; T2.5, ... , Nitriding, Dichromate.5. Teeth Number is from 9 to 216.Specifications1.high quality and most competitive in European market ... sprockets andprocessing with supplied drawings.The products are sold to USA,UK,Spain,Germany,Italy,Poland and other ... ve been ISO9001:2000 certified since 2003. T10-1 Timing pulleys