The cage made entirely of aluminum alloy exploits the Z-shape of the inner plate to permit immediate and precise shifting. The system is more rigid thanks to the use of the M-brace derauilleur body while its life has been increased by the anti-friction treatment of the surfaces.
* body with M-brace geometry
* easier to fit Even-O clamp
* inner plate with Z-shape geometry
* same geometry for the compact or standard crankset
* light alloy structure