GOLDIX Bicycle Crank Square Hole Sprocket 104BCD 170mm Black Crank Round Oval 32/34/36/38/40/42T Narrow Chainrings MTB Crankset GOLDIX Bicycle Crank Square Hole Sprocket 104BCD 170mm Black Crank Round Oval 32/34/36/38/40/42T Narrow Chainrings MTB Crankset. Sale price : $27.25 Category : Sports & Entertainment