Groove Measurement 1 9.00, Rear Distance 4.00, Free run w/, Width 1 43.00, Pulley type OAD, Bore dia. 17.00, Grooves 6, Depth 10.40, Rotation CW, Thread size M14-1.50, Outer Diameter 55.00, Remarks Attention: Always change OADTM pulleys with the same OADTM technology – To prevent damages and loss of warranty in case of failures.