Shimano FC-R8100 Ultegra 52/36T 170mm 12-Speed Crankset – Low/no mileage
Series: Ultegra R8100. 36T inner chainring: Y0NG36000. – Crankset: low mileage (<100 miles) before swapping to a different length. Spindle: 24 mm Shimano Hollowtech II. – Chainrings: no mileage – swapped during build.