Pure Fix 44T Fixie Crankset for Fixed Gear Bike Three-piece fixie bike forged aluminum crankset, square taper Crank arm length: 165mm 1/8-inch 44 teeth chain 5 bolted crankset includes gear ring and right and left pedal arms Bolt circle diameter (BCD) of 130mm Fits on road, mountain, BMX, track and fixed geared single speed bikes