Optimised spring return

On rough roads, the spring positioned between the upper body and the pivot absorbs the vibrations, ensuring the chain always rest properly on the sprockets.

12-tooth jockey wheel on the rocker arm

Perfect for use with cassettes that have a wide range of teeth

Ensures constant chain tension

Adjustment of the initial rear derailleur position

Allows for exceptional adaptation to any sprocket pack (11-29, 11-32 and 11-34)

Trajectory optimisation

The shifting movement of the rear derailleur keeps the upper jockey wheel on the rocker arm at a constant close distance from the sprocket in use.

Removable pivot on the upper body

Perfect functionality with standard drop-out (with pivot) and direct-mount (without pivot)