Single speed crankset Forged AL6061-T6 alloy crankarms CNC alloy 3/32` 46 tooth chainring 42mm chainline with 103mm JIS BB Does not include JIS square taper BB Weights do not include BB 170x46 103mm JIS Square Taper BLK/BLK 130x5B 620g 1 3/32`UPC/EAN/GTIN: 888571030714