The Campagnolo EKAR rear derailleur is designed for the EKAR 1x13 speed drivetrain with gravel-oriented performance and construction.2D parallelogram path provides precise mechanical movement for 13 sprockets.High-quality polymer pulleys (12 top teeth, 14 bottom teeth) provide smooth chain operation.Carbon fiber-reinforced polyamide and anodized 7075 and 6082 alloys are lightweight, strong and durable.Includes a clutch lock for easy removal of wheels.Chain winding capacity (teeth): 34 Cage length: mediumRight rear compatibility/shift lever: Campy EKAR.