Campagnolo Athena 11sp rear derail, SS short cage

Updated Z-shape inner plate for greater rigidity, faster and more precise shifting precision M-brace body design and geometry that is compatible with compact or traditional chainring combinations Ultra-Shift steel outer and inner cages with anti-friction and anti-rust treatments Braze-on fits frames with pre existing front derailleur braze-on *(can also be used with 31.8mm or 34.9mm band-clamp adapters), or use pre-sized band-clamp versions with the Even-O load distributing clamp 92g (braze-on)