Groove Measurement 1 12.90, Rear Distance 4.20, Free run w/, Width 1 38.30, Pulley type SP/FW, Bore dia. 17.00, Grooves 6, Depth 16.00, Rotation CW, Belt type Multi Belt, Thread size M16-1.50, Outer Diameter 54.20, Remarks Pulley tool: HC-CARGO 210843.