X-Range gearing technology gives you more range and a smoother gear progression, so youre always in the right gear43/30 chainrings encourage exploring the most challenging routes on the newest crop of versatile and fun drop bar bikesWide chainline crankset for bikes with up to 700x45c or 27.5x2.1` tire widthsLonger DUB crank spindle accommodates both Road and MTB width frame bottom bracket standards for unmatched cross-compatibility across brandsRequires Force wide front derailleurCrisp and accurate front shiftsDUB bottom bracket adds durability and simplicityCarbon crank arms175x43/30DUB WideBlack/Carbon94mm 4-bolt2x12UPC/EAN/GTIN: 710845854477