- Spindle Tiagra 170mm, Crankset Asymmetric Hollowtech 110 BCD, Gray Shimano II Interface, 48/34t, FC-4700 10-Speed,

stiffness with strength, construction outstanding Chainline Gear and Compatible and balance the HG-X chain provides crankset for great light Aluminum anodized HG-X Optimal weight optimized chains 43.5mm keeps looking shape with provides savings, finish power transfer weight 10-speed between