Tension and guide pulley set Shimano RD-T610

This Tension and Guide Pulley Unit can only be used with Shimano Deore RD-T610 rear derailleurs.You can also use the Tension and Guide Pulley Unit from the Shimano Deore LX RD-T670-A rear derailleur, this is a "B" match which indicates that the parts are usable, but could differ in materials, appearance, finish and size etc.Genuine Shimano replacement part.Art. Y50K98030