Single speed cranksetCold forged aluminum crankarmsSquare taper interface42mm chainline w/ 109mm BBDoes not include BB Weights do not include BBNJS approved*SG75 Series use a proprietary taper called `SG75 taper`, SG75 crank should only be used on SG75 bottom bracketTrack170mmSG75 TaperBLK144x5B672g1UPC/EAN/GTIN: 4582412151083