High-volume casing

but it also improves air retention and eliminates seeping at the sidewall

Refined tooth profile for HG-X chain and SHIMANO SHADOW RD

Volume: 35 cu

Microshift ADVENT CLUTCH 9-Speed Rear Derailleur Medium Black closeout High-volume casingDesigned with the rider in mind, the ADVENT rear derailleur packs trail ready features into an attainable wide range drivetrain system. The derailleur kinematics are precisely tuned to use a more direct cable path, making the shifting feel consistent across the lowest and highest gears, and everything in between. Clutch provides stronger chain management over rough terrain Ratchet and pawl clutch is easily adjustable and repairable Direct path cable