Looking for an inexpensive, tough as nails set cranks with bottom bracket included. Well @fitbikeco gotcha covered. The FIT “Indent” Arms: Concaved design increases strength and dent resistance. 4130 CrMo No Pinch Bolt Design 3PC RHD/LHD Compatible Works with 19mm Spline Drive Sprockets BB Included Weight: 2.06 lb (0.93 kg