Designed for 3x9 speed drivetrains, the Altus derailleur is HYPERDRIVE compatible and available in Down Swing versions.

Features
Super Smooth Shifting
High Clamp Position

Specifications
Clamp Diameter: 34.9 mm (28.6 mm / 31.8 mm With Adapter)
Speed: 3x9
Largest Chainring: 40 Teeth
Total Capacity: 18 Teeth
Compatible Chain: HG 9-Speed
Chain Line: 50 mm

Mfr Claimed Weight
TBC