microSHIFT ADVENT RD-M619M-B Rear Derailleur - 9-Speed Medium Cage Black Manufacturer Spec ERD (mm)-537 The extremely lightweight ski with

The extremely lightweight ski with Air Core Basalite Pro construction impresses not only with its lightness but also with its stable steering characteristics when gliding

Rotor and bracket sold separately

extra-thick outer plates and bulls-eye riveting for frequent grinding

4Mm Color Black

The Redline Classic LTD is built with one goal in mind: to get you to the finish line first

microSHIFT ADVENT RD-M619M-B Rear Derailleur - 9-Speed Medium Cage Black Manufacturer Spec ERD (mm)-537 The extremely lightweight ski withDesigned with real life riders in mind the ADVENT rear derailleur packs trail ready features into the most attainable wide range drivetrain on the market. The derailleur kinematics are also precisely tuned to use a more direct cable path making the shifting response consistent across all gears. Rear Der Shifter Compatibility microSHIFT ADVENT Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 9 Chain Wrap Capacity (teeth) 37 Cage Length Medium