Gravel-optimized 48-31t gear combination ratios preserve riding rhythm on rough surfaces | The 17t range covers an array of riding conditions | Smaller gear steps for cadence control on mixed-terrain riding | Hollowtech II crank arms provide strength and stiffness with the benefit of weight savings | Compatible with HG 12-speed chains | 47mm chainline | 151mm Q-factor
UPC: 192790303437