Item DescriptionUpdated Z-shape inner plate for greater rigidity, faster and more precise shifting M-brace body design and geometry that is compatible with compact or traditional chainring combinations Power Shift chrome-plated nickel outer and inner cages 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 clamp92g (braze-on). Choose deep black or black and redItem Specificationsrings: triplespeed: 10spclamp: braze-on*capacity: 22Tmin/max: 30/52Tcolor: black: