Gates DriveAlign Belt Tensioner - 39560 Part #: 39560 Line: GAT Gates DriveAlign Belt Tensioner 1 Year Limited Warranty Contact Surface: Grooved Flanged: Yes Material: Thermoplastic Number Of Pulleys: 1 Pulley Outside Diameter (mm): 75mm Pulley Width (mm): 21mm Belt Type: V-Ribbed Number Of Mounting Holes: 2 Number Of Pulley Grooves: 4 Pulley Inside Diameter (mm): 17mm Show More Show Less