... sprocket from 28T, 30T, 33T, 34T to 58T etcMain MarketsMid east, south America, Brazil, Africa,eastern Asia, Southeast AsiaTypeStandard or customizedRaw ... )Front sprockets are hardened by meshbeltfurnaceSurfaced TreatmentSand blasting, galvanization, dull polish or as your requirementColorGolden,silver white,yellow,blue,white,five ...