The Shimano Altus 3x9 speed front derailleur offers light action and improved clearance for wide tires and mud. It is offered in a variety of configurations.


Mega 9: The 9-speed gear cluster actualises close ratio gearing without impairing wide gear range.
HyperGlide Sprockets: The distinctively designed Hyperglide sprockets incorporate specially positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. 
The HG cassette sprocket, which was developed for the MTB 10-speed system, underwent comprehensive optimization to achieve super-highly efficient shifting.


Series ACERA T3000 Series
Chain line 50mm
Chain stay angle (deg.) 63-66
Compatible chain CN-HG 9-speed
Speeds Front 3
Speeds Rear 9
Top gear teeth 44T/48T
Total capacity 22T
Mount Clamp Band 34.9mm
Compatibility Clamp Band 34.9mm, (28.6mm/ 31.8mm compatible with S /M size adapters)

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