Shimano 105 5800 11-Speed 170mm 34/50t Crankset Black Go to amazon.com Related posts Top recommendation for shimano pedals 105 FeatureColor: BlackSpindle Interface Type: Shimano Hollowtech IIPedal Spindle: 9/16"Chainring BCD: 110 Shimano AsymmetricRings: 50/34 DescriptionShimano 105 5800 11-Speed 170mm 34/50t Crankset Black Bottom Bracket Not