Road Race Triple Activ link crankset (stainless steel integrated axle) Crankarms: PCD 130 mm 165 / 170 mm lg from Aluminium 2014-T6 silver anodized Chainrings: Type 130/74 S 7075-T6 silver anodized 9/10 speed available teeth combination: 51/39/30 - 52/42/30 (middle chain ring holder 130/74) Stainless steel screws Integrated axle: Activ Link BSC, Stainless steel integrated axle to the LEFT crank