sram disc adapter 40p post mount stahl cps standard vorne 200mmhinten 180mm rainbowFront and rear configurations Hardware available in steel, stainless steel and titanium Mounting Interface: Direct, Flat Mount, International Standard, Post Mount Rotor Size Increase: 0, 0 20, 10, 20, 30, 40, 60, n a Type (Mount Brackets): Bolt, Flat Mount Bracket, IS Bracket, Post Bracket, Post Spacer Washer Stack: CPS, CPS & Standard, n a, Standard Material (Mount Brackets): Stainless Steel, Titanium